81569663

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 99111600

約数和(自身を除く): 17541937

約数列:

[1, 7, 29, 49, 137, 203, 419, 959, 1421, 2933, 3973, 6713, 12151, 20531, 27811, 57403, 85057, 194677, 401821, 595399, 1664687, 2812747, 11652809, 81569663]

約数ペア:

[(1, 81569663), (7, 11652809), (29, 2812747), (49, 1664687), (137, 595399), (203, 401821), (419, 194677), (959, 85057), (1421, 57403), (2933, 27811), (3973, 20531), (6713, 12151)]