421621855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{521}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 548425728

約数和(自身を除く): 126803873

約数列:

[1, 5, 23, 31, 115, 155, 227, 521, 713, 1135, 2605, 3565, 5221, 7037, 11983, 16151, 26105, 35185, 59915, 80755, 118267, 161851, 371473, 591335, 809255, 1857365, 2720141, 3666277, 13600705, 18331385, 84324371, 421621855]

約数ペア:

[(1, 421621855), (5, 84324371), (23, 18331385), (31, 13600705), (115, 3666277), (155, 2720141), (227, 1857365), (521, 809255), (713, 591335), (1135, 371473), (2605, 161851), (3565, 118267), (5221, 80755), (7037, 59915), (11983, 35185), (16151, 26105)]