8421687

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 12907440

約数和(自身を除く): 4485753

約数列:

[1, 3, 9, 29, 41, 87, 123, 261, 369, 787, 1189, 2361, 3567, 7083, 10701, 22823, 32267, 68469, 96801, 205407, 290403, 935743, 2807229, 8421687]

約数ペア:

[(1, 8421687), (3, 2807229), (9, 935743), (29, 290403), (41, 205407), (87, 96801), (123, 68469), (261, 32267), (369, 22823), (787, 10701), (1189, 7083), (2361, 3567)]