388634571

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{1523}}^1$

素因数の和:2272

約数の個数: 32

約数和(自身を含む): 621304320

約数和(自身を除く): 232669749

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 727, 1523, 2181, 4569, 6543, 9451, 13707, 19629, 19799, 28353, 41121, 59397, 85059, 178191, 255177, 534573, 1107221, 3321663, 9964989, 14393873, 29894967, 43181619, 129544857, 388634571]

約数ペア:

[(1, 388634571), (3, 129544857), (9, 43181619), (13, 29894967), (27, 14393873), (39, 9964989), (117, 3321663), (351, 1107221), (727, 534573), (1523, 255177), (2181, 178191), (4569, 85059), (6543, 59397), (9451, 41121), (13707, 28353), (19629, 19799)]