2120781

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 3162240

約数和(自身を除く): 1041459

約数列:

[1, 3, 13, 39, 47, 89, 141, 169, 267, 507, 611, 1157, 1833, 3471, 4183, 7943, 12549, 15041, 23829, 45123, 54379, 163137, 706927, 2120781]

約数ペア:

[(1, 2120781), (3, 706927), (13, 163137), (39, 54379), (47, 45123), (89, 23829), (141, 15041), (169, 12549), (267, 7943), (507, 4183), (611, 3471), (1157, 1833)]