81145463

素因数分解:

$7^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 93972480

約数和(自身を除く): 12827017

約数列:

[1, 7, 223, 227, 229, 1561, 1589, 1603, 50621, 51067, 51983, 354347, 357469, 363881, 11592209, 81145463]

約数ペア:

[(1, 81145463), (7, 11592209), (223, 363881), (227, 357469), (229, 354347), (1561, 51983), (1589, 51067), (1603, 50621)]