3947671

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 5059584

約数和(自身を除く): 1111913

約数列:

[1, 7, 13, 47, 71, 91, 169, 329, 497, 611, 923, 1183, 3337, 4277, 6461, 7943, 11999, 23359, 43381, 55601, 83993, 303667, 563953, 3947671]

約数ペア:

[(1, 3947671), (7, 563953), (13, 303667), (47, 83993), (71, 55601), (91, 43381), (169, 23359), (329, 11999), (497, 7943), (611, 6461), (923, 4277), (1183, 3337)]