209218239

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{433}}^1\times {\mathrm{1451}}^1$

素因数の和:1927

約数の個数: 24

約数和(自身を含む): 311302992

約数和(自身を除く): 102084753

約数列:

[1, 3, 9, 37, 111, 333, 433, 1299, 1451, 3897, 4353, 13059, 16021, 48063, 53687, 144189, 161061, 483183, 628283, 1884849, 5654547, 23246471, 69739413, 209218239]

約数ペア:

[(1, 209218239), (3, 69739413), (9, 23246471), (37, 5654547), (111, 1884849), (333, 628283), (433, 483183), (1299, 161061), (1451, 144189), (3897, 53687), (4353, 48063), (13059, 16021)]