388620657

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{811}}^1\times {\mathrm{1439}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 577624320

約数和(自身を除く): 189003663

約数列:

[1, 3, 9, 37, 111, 333, 811, 1439, 2433, 4317, 7299, 12951, 30007, 53243, 90021, 159729, 270063, 479187, 1167029, 3501087, 10503261, 43180073, 129540219, 388620657]

約数ペア:

[(1, 388620657), (3, 129540219), (9, 43180073), (37, 10503261), (111, 3501087), (333, 1167029), (811, 479187), (1439, 270063), (2433, 159729), (4317, 90021), (7299, 53243), (12951, 30007)]