521157

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 903168

約数和(自身を除く): 382011

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 83, 91, 161, 249, 273, 299, 483, 581, 897, 1079, 1743, 1909, 2093, 3237, 5727, 6279, 7553, 13363, 22659, 24817, 40089, 74451, 173719, 521157]

約数ペア:

[(1, 521157), (3, 173719), (7, 74451), (13, 40089), (21, 24817), (23, 22659), (39, 13363), (69, 7553), (83, 6279), (91, 5727), (161, 3237), (249, 2093), (273, 1909), (299, 1743), (483, 1079), (581, 897)]