915705729

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{81331}}^1$

素因数の和:81482

約数の個数: 20

約数和(自身を含む): 1377764080

約数和(自身を除く): 462058351

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 81331, 243993, 731979, 2195937, 6587811, 11305009, 33915027, 101745081, 305235243, 915705729]

約数ペア:

[(1, 915705729), (3, 305235243), (9, 101745081), (27, 33915027), (81, 11305009), (139, 6587811), (417, 2195937), (1251, 731979), (3753, 243993), (11259, 81331)]