28280679

素因数分解:

$3^1\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{1319}}^1$

素因数の和:2350

約数の個数: 16

約数和(自身を含む): 43169280

約数和(自身を除く): 14888601

約数列:

[1, 3, 7, 21, 1021, 1319, 3063, 3957, 7147, 9233, 21441, 27699, 1346699, 4040097, 9426893, 28280679]

約数ペア:

[(1, 28280679), (3, 9426893), (7, 4040097), (21, 1346699), (1021, 27699), (1319, 21441), (3063, 9233), (3957, 7147)]