28571733

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 42681600

約数和(自身を除く): 14109867

約数列:

[1, 3, 9, 37, 111, 239, 333, 359, 717, 1077, 2151, 3231, 8843, 13283, 26529, 39849, 79587, 85801, 119547, 257403, 772209, 3174637, 9523911, 28571733]

約数ペア:

[(1, 28571733), (3, 9523911), (9, 3174637), (37, 772209), (111, 257403), (239, 119547), (333, 85801), (359, 79587), (717, 39849), (1077, 26529), (2151, 13283), (3231, 8843)]