28101549

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1283}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 43912800

約数和(自身を除く): 15811251

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 1043, 1283, 3129, 3849, 7301, 8981, 21903, 26943, 62867, 188601, 191167, 573501, 1338169, 4014507, 9367183, 28101549]

約数ペア:

[(1, 28101549), (3, 9367183), (7, 4014507), (21, 1338169), (49, 573501), (147, 191167), (149, 188601), (447, 62867), (1043, 26943), (1283, 21903), (3129, 8981), (3849, 7301)]