15640851

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{541}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 21853440

約数和(自身を除く): 6212589

約数列:

[1, 3, 23, 69, 419, 541, 1257, 1623, 9637, 12443, 28911, 37329, 226679, 680037, 5213617, 15640851]

約数ペア:

[(1, 15640851), (3, 5213617), (23, 680037), (69, 226679), (419, 37329), (541, 28911), (1257, 12443), (1623, 9637)]