208442655

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{19381}}^1$

素因数の和:19631

約数の個数: 24

約数和(自身を含む): 362831040

約数和(自身を除く): 154388385

約数列:

[1, 3, 5, 9, 15, 45, 239, 717, 1195, 2151, 3585, 10755, 19381, 58143, 96905, 174429, 290715, 872145, 4632059, 13896177, 23160295, 41688531, 69480885, 208442655]

約数ペア:

[(1, 208442655), (3, 69480885), (5, 41688531), (9, 23160295), (15, 13896177), (45, 4632059), (239, 872145), (717, 290715), (1195, 174429), (2151, 96905), (3585, 58143), (10755, 19381)]