12730263

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 22346496

約数和(自身を除く): 9616233

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 169, 211, 221, 273, 357, 507, 633, 663, 1183, 1477, 1547, 2743, 2873, 3549, 3587, 4431, 4641, 8229, 8619, 10761, 19201, 20111, 25109, 35659, 46631, 57603, 60333, 75327, 106977, 139893, 249613, 326417, 606203, 748839, 979251, 1818609, 4243421, 12730263]

約数ペア:

[(1, 12730263), (3, 4243421), (7, 1818609), (13, 979251), (17, 748839), (21, 606203), (39, 326417), (51, 249613), (91, 139893), (119, 106977), (169, 75327), (211, 60333), (221, 57603), (273, 46631), (357, 35659), (507, 25109), (633, 20111), (663, 19201), (1183, 10761), (1477, 8619), (1547, 8229), (2743, 4641), (2873, 4431), (3549, 3587)]