9997281

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1783}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 16698240

約数和(自身を除く): 6700959

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1783, 1869, 5349, 5607, 12481, 16047, 37443, 112329, 158687, 476061, 1110809, 1428183, 3332427, 9997281]

約数ペア:

[(1, 9997281), (3, 3332427), (7, 1428183), (9, 1110809), (21, 476061), (63, 158687), (89, 112329), (267, 37443), (623, 16047), (801, 12481), (1783, 5607), (1869, 5349)]