813203487

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{811}}^1\times {\mathrm{2591}}^1$

素因数の和:3451

約数の個数: 24

約数和(自身を含む): 1203890688

約数和(自身を除く): 390687201

約数列:

[1, 3, 9, 43, 129, 387, 811, 2433, 2591, 7299, 7773, 23319, 34873, 104619, 111413, 313857, 334239, 1002717, 2101301, 6303903, 18911709, 90355943, 271067829, 813203487]

約数ペア:

[(1, 813203487), (3, 271067829), (9, 90355943), (43, 18911709), (129, 6303903), (387, 2101301), (811, 1002717), (2433, 334239), (2591, 313857), (7299, 111413), (7773, 104619), (23319, 34873)]