179440401

素因数分解:

$3^1\times 7^2\times {\mathrm{947}}^1\times {\mathrm{1289}}^1$

素因数の和:2253

約数の個数: 24

約数和(自身を含む): 278825760

約数和(自身を除く): 99385359

約数列:

[1, 3, 7, 21, 49, 147, 947, 1289, 2841, 3867, 6629, 9023, 19887, 27069, 46403, 63161, 139209, 189483, 1220683, 3662049, 8544781, 25634343, 59813467, 179440401]

約数ペア:

[(1, 179440401), (3, 59813467), (7, 25634343), (21, 8544781), (49, 3662049), (147, 1220683), (947, 189483), (1289, 139209), (2841, 63161), (3867, 46403), (6629, 27069), (9023, 19887)]