28310961

素因数分解:

$3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1951}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 43225088

約数和(自身を除く): 14914127

約数列:

[1, 3, 7, 21, 691, 1951, 2073, 4837, 5853, 13657, 14511, 40971, 1348141, 4044423, 9436987, 28310961]

約数ペア:

[(1, 28310961), (3, 9436987), (7, 4044423), (21, 1348141), (691, 40971), (1951, 14511), (2073, 13657), (4837, 5853)]