28425159

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23747}}^1$

素因数の和:23779

約数の個数: 24

約数和(自身を含む): 49395840

約数和(自身を除く): 20970681

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 23747, 71241, 166229, 213723, 451193, 498687, 1353579, 1496061, 3158351, 4060737, 9475053, 28425159]

約数ペア:

[(1, 28425159), (3, 9475053), (7, 4060737), (9, 3158351), (19, 1496061), (21, 1353579), (57, 498687), (63, 451193), (133, 213723), (171, 166229), (399, 71241), (1197, 23747)]