15780285

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2851}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 28748160

約数和(自身を除く): 12967875

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 2851, 5535, 8553, 14255, 25659, 42765, 76977, 116891, 128295, 350673, 384885, 584455, 1052019, 1753365, 3156057, 5260095, 15780285]

約数ペア:

[(1, 15780285), (3, 5260095), (5, 3156057), (9, 1753365), (15, 1052019), (27, 584455), (41, 384885), (45, 350673), (123, 128295), (135, 116891), (205, 76977), (369, 42765), (615, 25659), (1107, 14255), (1845, 8553), (2851, 5535)]