27755055

素因数分解:

$3^4\times 5^1\times {\mathrm{68531}}^1$

素因数の和:68548

約数の個数: 20

約数和(自身を含む): 49754232

約数和(自身を除く): 21999177

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 68531, 205593, 342655, 616779, 1027965, 1850337, 3083895, 5551011, 9251685, 27755055]

約数ペア:

[(1, 27755055), (3, 9251685), (5, 5551011), (9, 3083895), (15, 1850337), (27, 1027965), (45, 616779), (81, 342655), (135, 205593), (405, 68531)]