51680915

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6571}}^1$

素因数の和:6611

約数の個数: 24

約数和(自身を含む): 73422384

約数和(自身を除く): 21741469

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 6571, 7865, 32855, 72281, 85423, 361405, 427115, 795091, 939653, 3975455, 4698265, 10336183, 51680915]

約数ペア:

[(1, 51680915), (5, 10336183), (11, 4698265), (13, 3975455), (55, 939653), (65, 795091), (121, 427115), (143, 361405), (605, 85423), (715, 72281), (1573, 32855), (6571, 7865)]