890405985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{2351}}^1\times {\mathrm{3607}}^1$

素因数の和:5973

約数の個数: 32

約数和(自身を含む): 1629315072

約数和(自身を除く): 738909087

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 2351, 3607, 7053, 10821, 11755, 16457, 18035, 25249, 35265, 49371, 54105, 75747, 82285, 126245, 246855, 378735, 8480057, 25440171, 42400285, 59360399, 127200855, 178081197, 296801995, 890405985]

約数ペア:

[(1, 890405985), (3, 296801995), (5, 178081197), (7, 127200855), (15, 59360399), (21, 42400285), (35, 25440171), (105, 8480057), (2351, 378735), (3607, 246855), (7053, 126245), (10821, 82285), (11755, 75747), (16457, 54105), (18035, 49371), (25249, 35265)]