71621015

素因数分解:

$5^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 90137088

約数和(自身を除く): 18516073

約数列:

[1, 5, 43, 61, 127, 215, 305, 635, 1849, 2623, 5461, 7747, 9245, 13115, 27305, 38735, 112789, 234823, 333121, 563945, 1174115, 1665605, 14324203, 71621015]

約数ペア:

[(1, 71621015), (5, 14324203), (43, 1665605), (61, 1174115), (127, 563945), (215, 333121), (305, 234823), (635, 112789), (1849, 38735), (2623, 27305), (5461, 13115), (7747, 9245)]