28474509

素因数分解:

$3^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{1201}}^1$

素因数の和:2340

約数の個数: 16

約数和(自身を含む): 43464320

約数和(自身を除く): 14989811

約数列:

[1, 3, 7, 21, 1129, 1201, 3387, 3603, 7903, 8407, 23709, 25221, 1355929, 4067787, 9491503, 28474509]

約数ペア:

[(1, 28474509), (3, 9491503), (7, 4067787), (21, 1355929), (1129, 25221), (1201, 23709), (3387, 8407), (3603, 7903)]