131802785

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 171283896

約数和(自身を除く): 39481111

約数列:

[1, 5, 17, 53, 85, 265, 289, 901, 1445, 1721, 4505, 8605, 15317, 29257, 76585, 91213, 146285, 456065, 497369, 1550621, 2486845, 7753105, 26360557, 131802785]

約数ペア:

[(1, 131802785), (5, 26360557), (17, 7753105), (53, 2486845), (85, 1550621), (265, 497369), (289, 456065), (901, 146285), (1445, 91213), (1721, 76585), (4505, 29257), (8605, 15317)]