49820913

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{8663}}^1$

素因数の和:8746

約数の個数: 20

約数和(自身を含む): 75480768

約数和(自身を除く): 25659855

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 8663, 25989, 77967, 233901, 615073, 701703, 1845219, 5535657, 16606971, 49820913]

約数ペア:

[(1, 49820913), (3, 16606971), (9, 5535657), (27, 1845219), (71, 701703), (81, 615073), (213, 233901), (639, 77967), (1917, 25989), (5751, 8663)]