388236879

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{647}}^1\times {\mathrm{1093}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 571383072

約数和(自身を除く): 183146193

約数列:

[1, 3, 9, 61, 183, 549, 647, 1093, 1941, 3279, 5823, 9837, 39467, 66673, 118401, 200019, 355203, 600057, 707171, 2121513, 6364539, 43137431, 129412293, 388236879]

約数ペア:

[(1, 388236879), (3, 129412293), (9, 43137431), (61, 6364539), (183, 2121513), (549, 707171), (647, 600057), (1093, 355203), (1941, 200019), (3279, 118401), (5823, 66673), (9837, 39467)]