205285941

素因数分解:

$3^3\times 7^2\times {\mathrm{155167}}^1$

素因数の和:155190

約数の個数: 24

約数和(自身を含む): 353783040

約数和(自身を除く): 148497099

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 155167, 465501, 1086169, 1396503, 3258507, 4189509, 7603183, 9775521, 22809549, 29326563, 68428647, 205285941]

約数ペア:

[(1, 205285941), (3, 68428647), (7, 29326563), (9, 22809549), (21, 9775521), (27, 7603183), (49, 4189509), (63, 3258507), (147, 1396503), (189, 1086169), (441, 465501), (1323, 155167)]