17942553

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9631}}^1$

素因数の和:9666

約数の個数: 20

約数和(自身を含む): 27971328

約数和(自身を除く): 10028775

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9631, 28893, 86679, 221513, 260037, 664539, 780111, 1993617, 5980851, 17942553]

約数ペア:

[(1, 17942553), (3, 5980851), (9, 1993617), (23, 780111), (27, 664539), (69, 260037), (81, 221513), (207, 86679), (621, 28893), (1863, 9631)]