128956821

素因数分解:

$3^1\times 7^1\times {\mathrm{983}}^1\times {\mathrm{6247}}^1$

素因数の和:7240

約数の個数: 16

約数和(自身を含む): 196737024

約数和(自身を除く): 67780203

約数列:

[1, 3, 7, 21, 983, 2949, 6247, 6881, 18741, 20643, 43729, 131187, 6140801, 18422403, 42985607, 128956821]

約数ペア:

[(1, 128956821), (3, 42985607), (7, 18422403), (21, 6140801), (983, 131187), (2949, 43729), (6247, 20643), (6881, 18741)]