25720911

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 37992240

約数和(自身を除く): 12271329

約数列:

[1, 3, 9, 89, 163, 197, 267, 489, 591, 801, 1467, 1773, 14507, 17533, 32111, 43521, 52599, 96333, 130563, 157797, 288999, 2857879, 8573637, 25720911]

約数ペア:

[(1, 25720911), (3, 8573637), (9, 2857879), (89, 288999), (163, 157797), (197, 130563), (267, 96333), (489, 52599), (591, 43521), (801, 32111), (1467, 17533), (1773, 14507)]