55790991

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 88102080

約数和(自身を除く): 32311089

約数列:

[1, 3, 9, 17, 27, 51, 153, 197, 459, 591, 617, 1773, 1851, 3349, 5319, 5553, 10047, 10489, 16659, 30141, 31467, 90423, 94401, 121549, 283203, 364647, 1093941, 2066333, 3281823, 6198999, 18596997, 55790991]

約数ペア:

[(1, 55790991), (3, 18596997), (9, 6198999), (17, 3281823), (27, 2066333), (51, 1093941), (153, 364647), (197, 283203), (459, 121549), (591, 94401), (617, 90423), (1773, 31467), (1851, 30141), (3349, 16659), (5319, 10489), (5553, 10047)]