15216255

素因数分解:

$3^4\times 5^1\times {\mathrm{37571}}^1$

素因数の和:37588

約数の個数: 20

約数和(自身を含む): 27277272

約数和(自身を除く): 12061017

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 37571, 112713, 187855, 338139, 563565, 1014417, 1690695, 3043251, 5072085, 15216255]

約数ペア:

[(1, 15216255), (3, 5072085), (5, 3043251), (9, 1690695), (15, 1014417), (27, 563565), (45, 338139), (81, 187855), (135, 112713), (405, 37571)]