28904283

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{4517}}^1$

素因数の和:4608

約数の個数: 20

約数和(自身を含む): 43734240

約数和(自身を除く): 14829957

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 4517, 6399, 13551, 40653, 121959, 356843, 365877, 1070529, 3211587, 9634761, 28904283]

約数ペア:

[(1, 28904283), (3, 9634761), (9, 3211587), (27, 1070529), (79, 365877), (81, 356843), (237, 121959), (711, 40653), (2133, 13551), (4517, 6399)]