131880957

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4139}}^1$

素因数の和:4217

約数の個数: 32

約数和(自身を含む): 204019200

約数和(自身を除く): 72138243

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 741, 817, 1677, 2451, 4139, 10621, 12417, 31863, 53807, 78641, 161421, 177977, 235923, 533931, 1022333, 2313701, 3066999, 3381563, 6941103, 10144689, 43960319, 131880957]

約数ペア:

[(1, 131880957), (3, 43960319), (13, 10144689), (19, 6941103), (39, 3381563), (43, 3066999), (57, 2313701), (129, 1022333), (247, 533931), (559, 235923), (741, 177977), (817, 161421), (1677, 78641), (2451, 53807), (4139, 31863), (10621, 12417)]