1640301

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 2380224

約数和(自身を除く): 739923

約数列:

[1, 3, 13, 39, 137, 307, 411, 921, 1781, 3991, 5343, 11973, 42059, 126177, 546767, 1640301]

約数ペア:

[(1, 1640301), (3, 546767), (13, 126177), (39, 42059), (137, 11973), (307, 5343), (411, 3991), (921, 1781)]