28016583

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1433}}^1$

素因数の和:1476

約数の個数: 32

約数和(自身を含む): 45888000

約数和(自身を除く): 17871417

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 1433, 2793, 4299, 6517, 10031, 19551, 27227, 30093, 70217, 81681, 190589, 210651, 491519, 571767, 1334123, 1474557, 4002369, 9338861, 28016583]

約数ペア:

[(1, 28016583), (3, 9338861), (7, 4002369), (19, 1474557), (21, 1334123), (49, 571767), (57, 491519), (133, 210651), (147, 190589), (343, 81681), (399, 70217), (931, 30093), (1029, 27227), (1433, 19551), (2793, 10031), (4299, 6517)]