1986705

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 4321512

約数和(自身を除く): 2334807

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 53, 63, 85, 105, 119, 147, 153, 159, 245, 255, 265, 315, 357, 371, 441, 477, 595, 735, 765, 795, 833, 901, 1071, 1113, 1785, 1855, 2205, 2385, 2499, 2597, 2703, 3339, 4165, 4505, 5355, 5565, 6307, 7497, 7791, 8109, 12495, 12985, 13515, 16695, 18921, 23373, 31535, 37485, 38955, 40545, 44149, 56763, 94605, 116865, 132447, 220745, 283815, 397341, 662235, 1986705]

約数ペア:

[(1, 1986705), (3, 662235), (5, 397341), (7, 283815), (9, 220745), (15, 132447), (17, 116865), (21, 94605), (35, 56763), (45, 44149), (49, 40545), (51, 38955), (53, 37485), (63, 31535), (85, 23373), (105, 18921), (119, 16695), (147, 13515), (153, 12985), (159, 12495), (245, 8109), (255, 7791), (265, 7497), (315, 6307), (357, 5565), (371, 5355), (441, 4505), (477, 4165), (595, 3339), (735, 2703), (765, 2597), (795, 2499), (833, 2385), (901, 2205), (1071, 1855), (1113, 1785)]