28769337

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{2179}}^1$

素因数の和:2354

約数の個数: 20

約数和(自身を含む): 43259920

約数和(自身を除く): 14490583

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 2179, 4401, 6537, 13203, 19611, 58833, 176499, 355177, 1065531, 3196593, 9589779, 28769337]

約数ペア:

[(1, 28769337), (3, 9589779), (9, 3196593), (27, 1065531), (81, 355177), (163, 176499), (489, 58833), (1467, 19611), (2179, 13203), (4401, 6537)]