217620717

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{4093}}^1$

素因数の和:4612

約数の個数: 16

約数和(自身を含む): 298698240

約数和(自身を除く): 81077523

約数列:

[1, 3, 37, 111, 479, 1437, 4093, 12279, 17723, 53169, 151441, 454323, 1960547, 5881641, 72540239, 217620717]

約数ペア:

[(1, 217620717), (3, 72540239), (37, 5881641), (111, 1960547), (479, 454323), (1437, 151441), (4093, 53169), (12279, 17723)]