28913913

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6287}}^1$

素因数の和:6373

約数の個数: 24

約数和(自身を含む): 48392448

約数和(自身を除く): 19478535

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 6287, 18861, 44009, 56583, 132027, 396081, 458951, 1376853, 3212657, 4130559, 9637971, 28913913]

約数ペア:

[(1, 28913913), (3, 9637971), (7, 4130559), (9, 3212657), (21, 1376853), (63, 458951), (73, 396081), (219, 132027), (511, 56583), (657, 44009), (1533, 18861), (4599, 6287)]