172272015

素因数分解:

$3^4\times 5^1\times {\mathrm{425363}}^1$

素因数の和:425380

約数の個数: 20

約数和(自身を含む): 308814264

約数和(自身を除く): 136542249

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 425363, 1276089, 2126815, 3828267, 6380445, 11484801, 19141335, 34454403, 57424005, 172272015]

約数ペア:

[(1, 172272015), (3, 57424005), (5, 34454403), (9, 19141335), (15, 11484801), (27, 6380445), (45, 3828267), (81, 2126815), (135, 1276089), (405, 425363)]