180980961

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{20183}}^1$

素因数の和:20261

約数の個数: 24

約数和(自身を含む): 285321024

約数和(自身を除く): 104340063

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2989, 8967, 20183, 60549, 141281, 423843, 988967, 1231163, 2966901, 3693489, 8618141, 25854423, 60326987, 180980961]

約数ペア:

[(1, 180980961), (3, 60326987), (7, 25854423), (21, 8618141), (49, 3693489), (61, 2966901), (147, 1231163), (183, 988967), (427, 423843), (1281, 141281), (2989, 60549), (8967, 20183)]