15668780427

素因数分解:

$3^3\times {\mathrm{1381}}^1\times {\mathrm{420221}}^1$

素因数の和:421611

約数の個数: 16

約数和(自身を含む): 23229872160

約数和(自身を除く): 7561091733

約数列:

[1, 3, 9, 27, 1381, 4143, 12429, 37287, 420221, 1260663, 3781989, 11345967, 580325201, 1740975603, 5222926809, 15668780427]

約数ペア:

[(1, 15668780427), (3, 5222926809), (9, 1740975603), (27, 580325201), (1381, 11345967), (4143, 3781989), (12429, 1260663), (37287, 420221)]