217307529

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{32323}}^1$

素因数の和:32418

約数の個数: 20

約数和(自身を含む): 328541136

約数和(自身を除く): 111233607

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 6723, 32323, 96969, 290907, 872721, 2618163, 2682809, 8048427, 24145281, 72435843, 217307529]

約数ペア:

[(1, 217307529), (3, 72435843), (9, 24145281), (27, 8048427), (81, 2682809), (83, 2618163), (249, 872721), (747, 290907), (2241, 96969), (6723, 32323)]