620703405

素因数分解:

$3^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:109

約数の個数: 160

約数和(自身を含む): 1377471744

約数和(自身を除く): 756768339

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 53, 63, 81, 85, 105, 119, 135, 153, 159, 189, 243, 255, 265, 315, 357, 371, 405, 459, 477, 567, 595, 729, 765, 795, 901, 945, 1071, 1113, 1215, 1377, 1431, 1701, 1785, 1855, 2187, 2295, 2385, 2703, 2835, 3213, 3339, 3645, 4131, 4293, 4505, 5103, 5355, 5565, 6307, 6561, 6885, 7155, 8109, 8505, 9639, 10017, 10935, 12393, 12879, 13515, 15309, 16065, 16695, 18921, 19683, 20655, 21465, 24327, 25515, 28917, 30051, 31535, 32805, 37179, 38637, 40545, 45927, 48195, 50085, 56763, 61965, 64395, 72981, 76545, 86751, 90153, 94605, 98415, 111537, 115911, 121635, 137781, 144585, 150255, 170289, 185895, 193185, 218943, 229635, 260253, 270459, 283815, 334611, 347733, 364905, 433755, 450765, 510867, 557685, 579555, 656829, 688905, 780759, 811377, 851445, 1043199, 1094715, 1301265, 1352295, 1532601, 1673055, 1738665, 1970487, 2342277, 2434131, 2554335, 3284145, 3903795, 4056885, 4597803, 5215995, 5911461, 7302393, 7663005, 9852435, 11711385, 12170655, 13793409, 17734383, 22989015, 29557305, 36511965, 41380227, 68967045, 88671915, 124140681, 206901135, 620703405]

約数ペア:

[(1, 620703405), (3, 206901135), (5, 124140681), (7, 88671915), (9, 68967045), (15, 41380227), (17, 36511965), (21, 29557305), (27, 22989015), (35, 17734383), (45, 13793409), (51, 12170655), (53, 11711385), (63, 9852435), (81, 7663005), (85, 7302393), (105, 5911461), (119, 5215995), (135, 4597803), (153, 4056885), (159, 3903795), (189, 3284145), (243, 2554335), (255, 2434131), (265, 2342277), (315, 1970487), (357, 1738665), (371, 1673055), (405, 1532601), (459, 1352295), (477, 1301265), (567, 1094715), (595, 1043199), (729, 851445), (765, 811377), (795, 780759), (901, 688905), (945, 656829), (1071, 579555), (1113, 557685), (1215, 510867), (1377, 450765), (1431, 433755), (1701, 364905), (1785, 347733), (1855, 334611), (2187, 283815), (2295, 270459), (2385, 260253), (2703, 229635), (2835, 218943), (3213, 193185), (3339, 185895), (3645, 170289), (4131, 150255), (4293, 144585), (4505, 137781), (5103, 121635), (5355, 115911), (5565, 111537), (6307, 98415), (6561, 94605), (6885, 90153), (7155, 86751), (8109, 76545), (8505, 72981), (9639, 64395), (10017, 61965), (10935, 56763), (12393, 50085), (12879, 48195), (13515, 45927), (15309, 40545), (16065, 38637), (16695, 37179), (18921, 32805), (19683, 31535), (20655, 30051), (21465, 28917), (24327, 25515)]