12770055

素因数分解:

$3^4\times 5^1\times {\mathrm{31531}}^1$

素因数の和:31548

約数の個数: 20

約数和(自身を含む): 22892232

約数和(自身を除く): 10122177

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31531, 94593, 157655, 283779, 472965, 851337, 1418895, 2554011, 4256685, 12770055]

約数ペア:

[(1, 12770055), (3, 4256685), (5, 2554011), (9, 1418895), (15, 851337), (27, 472965), (45, 283779), (81, 157655), (135, 94593), (405, 31531)]