31897251

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{691}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 48362496

約数和(自身を除く): 16465245

約数列:

[1, 3, 9, 23, 69, 207, 223, 669, 691, 2007, 2073, 5129, 6219, 15387, 15893, 46161, 47679, 143037, 154093, 462279, 1386837, 3544139, 10632417, 31897251]

約数ペア:

[(1, 31897251), (3, 10632417), (9, 3544139), (23, 1386837), (69, 462279), (207, 154093), (223, 143037), (669, 47679), (691, 46161), (2007, 15893), (2073, 15387), (5129, 6219)]