28281183

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{11317}}^1$

素因数の和:11351

約数の個数: 24

約数和(自身を含む): 46449072

約数和(自身を除く): 18167889

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 11317, 33951, 79219, 192389, 237657, 554533, 577167, 1346723, 1663599, 4040169, 9427061, 28281183]

約数ペア:

[(1, 28281183), (3, 9427061), (7, 4040169), (17, 1663599), (21, 1346723), (49, 577167), (51, 554533), (119, 237657), (147, 192389), (357, 79219), (833, 33951), (2499, 11317)]