221323249

素因数分解:

$7^2\times {\mathrm{653}}^1\times {\mathrm{6917}}^1$

素因数の和:7584

約数の個数: 12

約数和(自身を含む): 257889204

約数和(自身を除く): 36565955

約数列:

[1, 7, 49, 653, 4571, 6917, 31997, 48419, 338933, 4516801, 31617607, 221323249]

約数ペア:

[(1, 221323249), (7, 31617607), (49, 4516801), (653, 338933), (4571, 48419), (6917, 31997)]