180404505

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{138241}}^1$

素因数の和:138281

約数の個数: 24

約数和(自身を含む): 323486280

約数和(自身を除く): 143081775

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 138241, 414723, 691205, 1244169, 2073615, 4008989, 6220845, 12026967, 20044945, 36080901, 60134835, 180404505]

約数ペア:

[(1, 180404505), (3, 60134835), (5, 36080901), (9, 20044945), (15, 12026967), (29, 6220845), (45, 4008989), (87, 2073615), (145, 1244169), (261, 691205), (435, 414723), (1305, 138241)]