15953905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 22457088

約数和(自身を除く): 6503183

約数列:

[1, 5, 11, 17, 55, 85, 113, 151, 187, 565, 755, 935, 1243, 1661, 1921, 2567, 6215, 8305, 9605, 12835, 17063, 21131, 28237, 85315, 105655, 141185, 187693, 290071, 938465, 1450355, 3190781, 15953905]

約数ペア:

[(1, 15953905), (5, 3190781), (11, 1450355), (17, 938465), (55, 290071), (85, 187693), (113, 141185), (151, 105655), (187, 85315), (565, 28237), (755, 21131), (935, 17063), (1243, 12835), (1661, 9605), (1921, 8305), (2567, 6215)]