291266145

素因数分解:

$3^3\times 5^1\times {\mathrm{2157527}}^1$

素因数の和:2157541

約数の個数: 16

約数和(自身を含む): 517806720

約数和(自身を除く): 226540575

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2157527, 6472581, 10787635, 19417743, 32362905, 58253229, 97088715, 291266145]

約数ペア:

[(1, 291266145), (3, 97088715), (5, 58253229), (9, 32362905), (15, 19417743), (27, 10787635), (45, 6472581), (135, 2157527)]