12712209

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4703}}^1$

素因数の和:4776

約数の個数: 16

約数和(自身を含む): 18289152

約数和(自身を除く): 5576943

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 4703, 14109, 79951, 239853, 249259, 747777, 4237403, 12712209]

約数ペア:

[(1, 12712209), (3, 4237403), (17, 747777), (51, 249259), (53, 239853), (159, 79951), (901, 14109), (2703, 4703)]