168279993

素因数分解:

$3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{9643}}^1$

素因数の和:9933

約数の個数: 24

約数和(自身を含む): 278827328

約数和(自身を除く): 110547335

約数列:

[1, 3, 7, 9, 21, 63, 277, 831, 1939, 2493, 5817, 9643, 17451, 28929, 67501, 86787, 202503, 607509, 2671111, 8013333, 18697777, 24039999, 56093331, 168279993]

約数ペア:

[(1, 168279993), (3, 56093331), (7, 24039999), (9, 18697777), (21, 8013333), (63, 2671111), (277, 607509), (831, 202503), (1939, 86787), (2493, 67501), (5817, 28929), (9643, 17451)]