2490891

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^3$

素因数の和:80

約数の個数: 24

約数和(自身を含む): 3821040

約数和(自身を除く): 1330149

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 289, 507, 663, 867, 2873, 3757, 4913, 8619, 11271, 14739, 48841, 63869, 146523, 191607, 830297, 2490891]

約数ペア:

[(1, 2490891), (3, 830297), (13, 191607), (17, 146523), (39, 63869), (51, 48841), (169, 14739), (221, 11271), (289, 8619), (507, 4913), (663, 3757), (867, 2873)]