1290362013

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{1531}}^1\times {\mathrm{2531}}^1$

素因数の和:4105

約数の個数: 24

約数和(自身を含む): 1916237856

約数和(自身を除く): 625875843

約数列:

[1, 3, 9, 37, 111, 333, 1531, 2531, 4593, 7593, 13779, 22779, 56647, 93647, 169941, 280941, 509823, 842823, 3874961, 11624883, 34874649, 143373557, 430120671, 1290362013]

約数ペア:

[(1, 1290362013), (3, 430120671), (9, 143373557), (37, 34874649), (111, 11624883), (333, 3874961), (1531, 842823), (2531, 509823), (4593, 280941), (7593, 169941), (13779, 93647), (22779, 56647)]