28391505

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61057}}^1$

素因数の和:61096

約数の個数: 16

約数和(自身を含む): 46892544

約数和(自身を除く): 18501039

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 61057, 183171, 305285, 915855, 1892767, 5678301, 9463835, 28391505]

約数ペア:

[(1, 28391505), (3, 9463835), (5, 5678301), (15, 1892767), (31, 915855), (93, 305285), (155, 183171), (465, 61057)]