258984981

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{1163}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 379510560

約数和(自身を除く): 120525579

約数列:

[1, 3, 9, 109, 227, 327, 681, 981, 1163, 2043, 3489, 10467, 24743, 74229, 126767, 222687, 264001, 380301, 792003, 1140903, 2376009, 28776109, 86328327, 258984981]

約数ペア:

[(1, 258984981), (3, 86328327), (9, 28776109), (109, 2376009), (227, 1140903), (327, 792003), (681, 380301), (981, 264001), (1163, 222687), (2043, 126767), (3489, 74229), (10467, 24743)]