131919435

素因数分解:

$3^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1061}}^1$

素因数の和:1385

約数の個数: 40

約数和(自身を含む): 237471696

約数和(自身を除く): 105552261

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 307, 405, 921, 1061, 1535, 2763, 3183, 4605, 5305, 8289, 9549, 13815, 15915, 24867, 28647, 41445, 47745, 85941, 124335, 143235, 325727, 429705, 977181, 1628635, 2931543, 4885905, 8794629, 14657715, 26383887, 43973145, 131919435]

約数ペア:

[(1, 131919435), (3, 43973145), (5, 26383887), (9, 14657715), (15, 8794629), (27, 4885905), (45, 2931543), (81, 1628635), (135, 977181), (307, 429705), (405, 325727), (921, 143235), (1061, 124335), (1535, 85941), (2763, 47745), (3183, 41445), (4605, 28647), (5305, 24867), (8289, 15915), (9549, 13815)]