27420781

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 29908800

約数和(自身を除く): 2488019

約数列:

[1, 19, 59, 61, 401, 1121, 1159, 3599, 7619, 23659, 24461, 68381, 449521, 464759, 1443199, 27420781]

約数ペア:

[(1, 27420781), (19, 1443199), (59, 464759), (61, 449521), (401, 68381), (1121, 24461), (1159, 23659), (3599, 7619)]