7490997

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 11568960

約数和(自身を除く): 4077963

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 617, 639, 1349, 1851, 4047, 5553, 11723, 12141, 35169, 43807, 105507, 131421, 394263, 832333, 2496999, 7490997]

約数ペア:

[(1, 7490997), (3, 2496999), (9, 832333), (19, 394263), (57, 131421), (71, 105507), (171, 43807), (213, 35169), (617, 12141), (639, 11723), (1349, 5553), (1851, 4047)]