30401721

素因数分解:

$3^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{739}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 50331840

約数和(自身を除く): 19930119

約数列:

[1, 3, 7, 9, 21, 63, 653, 739, 1959, 2217, 4571, 5173, 5877, 6651, 13713, 15519, 41139, 46557, 482567, 1447701, 3377969, 4343103, 10133907, 30401721]

約数ペア:

[(1, 30401721), (3, 10133907), (7, 4343103), (9, 3377969), (21, 1447701), (63, 482567), (653, 46557), (739, 41139), (1959, 15519), (2217, 13713), (4571, 6651), (5173, 5877)]