28332819

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{743}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 43330560

約数和(自身を除く): 14997741

約数列:

[1, 3, 9, 19, 57, 171, 223, 669, 743, 2007, 2229, 4237, 6687, 12711, 14117, 38133, 42351, 127053, 165689, 497067, 1491201, 3148091, 9444273, 28332819]

約数ペア:

[(1, 28332819), (3, 9444273), (9, 3148091), (19, 1491201), (57, 497067), (171, 165689), (223, 127053), (669, 42351), (743, 38133), (2007, 14117), (2229, 12711), (4237, 6687)]