28204947

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2351}}^1$

素因数の和:2431

約数の個数: 24

約数和(自身を含む): 43051008

約数和(自身を除く): 14846061

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 2351, 3999, 7053, 11997, 21159, 72881, 101093, 218643, 303279, 655929, 909837, 3133883, 9401649, 28204947]

約数ペア:

[(1, 28204947), (3, 9401649), (9, 3133883), (31, 909837), (43, 655929), (93, 303279), (129, 218643), (279, 101093), (387, 72881), (1333, 21159), (2351, 11997), (3999, 7053)]