201951639

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{2671}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 302342144

約数和(自身を除く): 100390505

約数列:

[1, 3, 9, 31, 93, 271, 279, 813, 2439, 2671, 8013, 8401, 24039, 25203, 75609, 82801, 248403, 723841, 745209, 2171523, 6514569, 22439071, 67317213, 201951639]

約数ペア:

[(1, 201951639), (3, 67317213), (9, 22439071), (31, 6514569), (93, 2171523), (271, 745209), (279, 723841), (813, 248403), (2439, 82801), (2671, 75609), (8013, 25203), (8401, 24039)]