28667025

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2963}}^1$

素因数の和:3022

約数の個数: 36

約数和(自身を含む): 52557648

約数和(自身を除く): 23890623

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 2963, 3225, 8889, 9675, 14815, 26667, 44445, 74075, 127409, 133335, 222225, 382227, 637045, 666675, 1146681, 1911135, 3185225, 5733405, 9555675, 28667025]

約数ペア:

[(1, 28667025), (3, 9555675), (5, 5733405), (9, 3185225), (15, 1911135), (25, 1146681), (43, 666675), (45, 637045), (75, 382227), (129, 222225), (215, 133335), (225, 127409), (387, 74075), (645, 44445), (1075, 26667), (1935, 14815), (2963, 9675), (3225, 8889)]