81028305

素因数分解:

$3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{4751}}^1$

素因数の和:5141

約数の個数: 24

約数和(自身を含む): 140849280

約数和(自身を除く): 59820975

約数列:

[1, 3, 5, 9, 15, 45, 379, 1137, 1895, 3411, 4751, 5685, 14253, 17055, 23755, 42759, 71265, 213795, 1800629, 5401887, 9003145, 16205661, 27009435, 81028305]

約数ペア:

[(1, 81028305), (3, 27009435), (5, 16205661), (9, 9003145), (15, 5401887), (45, 1800629), (379, 213795), (1137, 71265), (1895, 42759), (3411, 23755), (4751, 17055), (5685, 14253)]