61397765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2069

約数の個数: 32

約数和(自身を含む): 88615296

約数和(自身を除く): 27217531

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 473, 559, 715, 1997, 2365, 2795, 6149, 9985, 21967, 25961, 30745, 85871, 109835, 129805, 285571, 429355, 944581, 1116323, 1427855, 4722905, 5581615, 12279553, 61397765]

約数ペア:

[(1, 61397765), (5, 12279553), (11, 5581615), (13, 4722905), (43, 1427855), (55, 1116323), (65, 944581), (143, 429355), (215, 285571), (473, 129805), (559, 109835), (715, 85871), (1997, 30745), (2365, 25961), (2795, 21967), (6149, 9985)]