289491213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{18947}}^1$

素因数の和:19424

約数の個数: 16

約数和(自身を含む): 422009856

約数和(自身を除く): 132518643

約数列:

[1, 3, 11, 33, 463, 1389, 5093, 15279, 18947, 56841, 208417, 625251, 8772461, 26317383, 96497071, 289491213]

約数ペア:

[(1, 289491213), (3, 96497071), (11, 26317383), (33, 8772461), (463, 625251), (1389, 208417), (5093, 56841), (15279, 18947)]