28421145

素因数分解:

$3^3\times 5^1\times {\mathrm{210527}}^1$

素因数の和:210541

約数の個数: 16

約数和(自身を含む): 50526720

約数和(自身を除く): 22105575

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 210527, 631581, 1052635, 1894743, 3157905, 5684229, 9473715, 28421145]

約数ペア:

[(1, 28421145), (3, 9473715), (5, 5684229), (9, 3157905), (15, 1894743), (27, 1052635), (45, 631581), (135, 210527)]