291265839

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{23333}}^1$

素因数の和:23431

約数の個数: 24

約数和(自身を含む): 448946160

約数和(自身を除く): 157680321

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 4161, 12483, 23333, 69999, 209997, 443327, 1329981, 1703309, 3989943, 5109927, 15329781, 32362871, 97088613, 291265839]

約数ペア:

[(1, 291265839), (3, 97088613), (9, 32362871), (19, 15329781), (57, 5109927), (73, 3989943), (171, 1703309), (219, 1329981), (657, 443327), (1387, 209997), (4161, 69999), (12483, 23333)]