281639169

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{53861}}^1$

素因数の和:53957

約数の個数: 24

約数和(自身を含む): 470538432

約数和(自身を除く): 188899263

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 53861, 161583, 377027, 484749, 1131081, 3393243, 4470463, 13411389, 31293241, 40234167, 93879723, 281639169]

約数ペア:

[(1, 281639169), (3, 93879723), (7, 40234167), (9, 31293241), (21, 13411389), (63, 4470463), (83, 3393243), (249, 1131081), (581, 484749), (747, 377027), (1743, 161583), (5229, 53861)]