51109905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 114462720

約数和(自身を除く): 63352815

約数列:

[1, 3, 5, 7, 11, 15, 17, 19, 21, 33, 35, 51, 55, 57, 77, 85, 95, 105, 119, 133, 137, 165, 187, 209, 231, 255, 285, 323, 357, 385, 399, 411, 561, 595, 627, 665, 685, 935, 959, 969, 1045, 1155, 1309, 1463, 1507, 1615, 1785, 1995, 2055, 2261, 2329, 2603, 2805, 2877, 3135, 3553, 3927, 4389, 4521, 4795, 4845, 6545, 6783, 6987, 7315, 7535, 7809, 10549, 10659, 11305, 11645, 13015, 14385, 16303, 17765, 18221, 19635, 21945, 22605, 24871, 25619, 28633, 31647, 33915, 34935, 39045, 44251, 48909, 52745, 53295, 54663, 74613, 76857, 81515, 85899, 91105, 124355, 128095, 132753, 143165, 158235, 179333, 200431, 221255, 244545, 273315, 309757, 373065, 384285, 429495, 486761, 537999, 601293, 663765, 896665, 929271, 1002155, 1460283, 1548785, 2433805, 2689995, 3006465, 3407327, 4646355, 7301415, 10221981, 17036635, 51109905]

約数ペア:

[(1, 51109905), (3, 17036635), (5, 10221981), (7, 7301415), (11, 4646355), (15, 3407327), (17, 3006465), (19, 2689995), (21, 2433805), (33, 1548785), (35, 1460283), (51, 1002155), (55, 929271), (57, 896665), (77, 663765), (85, 601293), (95, 537999), (105, 486761), (119, 429495), (133, 384285), (137, 373065), (165, 309757), (187, 273315), (209, 244545), (231, 221255), (255, 200431), (285, 179333), (323, 158235), (357, 143165), (385, 132753), (399, 128095), (411, 124355), (561, 91105), (595, 85899), (627, 81515), (665, 76857), (685, 74613), (935, 54663), (959, 53295), (969, 52745), (1045, 48909), (1155, 44251), (1309, 39045), (1463, 34935), (1507, 33915), (1615, 31647), (1785, 28633), (1995, 25619), (2055, 24871), (2261, 22605), (2329, 21945), (2603, 19635), (2805, 18221), (2877, 17765), (3135, 16303), (3553, 14385), (3927, 13015), (4389, 11645), (4521, 11305), (4795, 10659), (4845, 10549), (6545, 7809), (6783, 7535), (6987, 7315)]