1981525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:110

約数の個数: 36

約数和(自身を含む): 3086112

約数和(自身を除く): 1104587

約数列:

[1, 5, 7, 13, 25, 35, 65, 67, 91, 169, 175, 325, 335, 455, 469, 845, 871, 1183, 1675, 2275, 2345, 4225, 4355, 5915, 6097, 11323, 11725, 21775, 29575, 30485, 56615, 79261, 152425, 283075, 396305, 1981525]

約数ペア:

[(1, 1981525), (5, 396305), (7, 283075), (13, 152425), (25, 79261), (35, 56615), (65, 30485), (67, 29575), (91, 21775), (169, 11725), (175, 11323), (325, 6097), (335, 5915), (455, 4355), (469, 4225), (845, 2345), (871, 2275), (1183, 1675)]