225318915

素因数分解:

$3^4\times 5^1\times {\mathrm{556343}}^1$

素因数の和:556360

約数の個数: 20

約数和(自身を含む): 403905744

約数和(自身を除く): 178586829

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 556343, 1669029, 2781715, 5007087, 8345145, 15021261, 25035435, 45063783, 75106305, 225318915]

約数ペア:

[(1, 225318915), (3, 75106305), (5, 45063783), (9, 25035435), (15, 15021261), (27, 8345145), (45, 5007087), (81, 2781715), (135, 1669029), (405, 556343)]