87990615

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{102913}}^1$

素因数の和:102943

約数の個数: 24

約数和(自身を含む): 160545840

約数和(自身を除く): 72555225

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 102913, 308739, 514565, 926217, 1543695, 1955347, 4631085, 5866041, 9776735, 17598123, 29330205, 87990615]

約数ペア:

[(1, 87990615), (3, 29330205), (5, 17598123), (9, 9776735), (15, 5866041), (19, 4631085), (45, 1955347), (57, 1543695), (95, 926217), (171, 514565), (285, 308739), (855, 102913)]