64581765

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 106638336

約数和(自身を除く): 42056571

約数列:

[1, 3, 5, 15, 41, 123, 173, 205, 519, 607, 615, 865, 1821, 2595, 3035, 7093, 9105, 21279, 24887, 35465, 74661, 105011, 106395, 124435, 315033, 373305, 525055, 1575165, 4305451, 12916353, 21527255, 64581765]

約数ペア:

[(1, 64581765), (3, 21527255), (5, 12916353), (15, 4305451), (41, 1575165), (123, 525055), (173, 373305), (205, 315033), (519, 124435), (607, 106395), (615, 105011), (865, 74661), (1821, 35465), (2595, 24887), (3035, 21279), (7093, 9105)]