78721281

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{49417}}^1$

素因数の和:49485

約数の個数: 16

約数和(自身を含む): 118603200

約数和(自身を除く): 39881919

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 49417, 148251, 444753, 1334259, 2915603, 8746809, 26240427, 78721281]

約数ペア:

[(1, 78721281), (3, 26240427), (9, 8746809), (27, 2915603), (59, 1334259), (177, 444753), (531, 148251), (1593, 49417)]