28696521

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{13267}}^1$

素因数の和:13380

約数の個数: 16

約数和(自身を含む): 44155904

約数和(自身を除く): 15459383

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 13267, 39801, 92869, 278607, 1366501, 4099503, 9565507, 28696521]

約数ペア:

[(1, 28696521), (3, 9565507), (7, 4099503), (21, 1366501), (103, 278607), (309, 92869), (721, 39801), (2163, 13267)]