28886361

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2081}}^1$

素因数の和:2752

約数の個数: 16

約数和(自身を含む): 44105088

約数和(自身を除く): 15218727

約数列:

[1, 3, 7, 21, 661, 1983, 2081, 4627, 6243, 13881, 14567, 43701, 1375541, 4126623, 9628787, 28886361]

約数ペア:

[(1, 28886361), (3, 9628787), (7, 4126623), (21, 1375541), (661, 43701), (1983, 14567), (2081, 13881), (4627, 6243)]