27921405

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 46417536

約数和(自身を除く): 18496131

約数列:

[1, 3, 5, 15, 43, 73, 129, 215, 219, 365, 593, 645, 1095, 1779, 2965, 3139, 8895, 9417, 15695, 25499, 43289, 47085, 76497, 127495, 129867, 216445, 382485, 649335, 1861427, 5584281, 9307135, 27921405]

約数ペア:

[(1, 27921405), (3, 9307135), (5, 5584281), (15, 1861427), (43, 649335), (73, 382485), (129, 216445), (215, 129867), (219, 127495), (365, 76497), (593, 47085), (645, 43289), (1095, 25499), (1779, 15695), (2965, 9417), (3139, 8895)]