27771965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 38991456

約数和(自身を除く): 11219491

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 533, 613, 697, 1105, 2665, 3065, 3485, 7969, 9061, 10421, 25133, 39845, 45305, 52105, 125665, 135473, 326729, 427261, 677365, 1633645, 2136305, 5554393, 27771965]

約数ペア:

[(1, 27771965), (5, 5554393), (13, 2136305), (17, 1633645), (41, 677365), (65, 427261), (85, 326729), (205, 135473), (221, 125665), (533, 52105), (613, 45305), (697, 39845), (1105, 25133), (2665, 10421), (3065, 9061), (3485, 7969)]