201388815

素因数分解:

$3^3\times 5^1\times {\mathrm{1491769}}^1$

素因数の和:1491783

約数の個数: 16

約数和(自身を含む): 358024800

約数和(自身を除く): 156635985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1491769, 4475307, 7458845, 13425921, 22376535, 40277763, 67129605, 201388815]

約数ペア:

[(1, 201388815), (3, 67129605), (5, 40277763), (9, 22376535), (15, 13425921), (27, 7458845), (45, 4475307), (135, 1491769)]