11825919

素因数分解:

$3^4\times 7^1\times {\mathrm{20857}}^1$

素因数の和:20876

約数の個数: 20

約数和(自身を含む): 20190544

約数和(自身を除く): 8364625

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 20857, 62571, 145999, 187713, 437997, 563139, 1313991, 1689417, 3941973, 11825919]

約数ペア:

[(1, 11825919), (3, 3941973), (7, 1689417), (9, 1313991), (21, 563139), (27, 437997), (63, 187713), (81, 145999), (189, 62571), (567, 20857)]