28218177

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{557}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 44075304

約数和(自身を除く): 15857127

約数列:

[1, 3, 9, 13, 39, 117, 433, 557, 1299, 1671, 3897, 5013, 5629, 7241, 16887, 21723, 50661, 65169, 241181, 723543, 2170629, 3135353, 9406059, 28218177]

約数ペア:

[(1, 28218177), (3, 9406059), (9, 3135353), (13, 2170629), (39, 723543), (117, 241181), (433, 65169), (557, 50661), (1299, 21723), (1671, 16887), (3897, 7241), (5013, 5629)]