388379727

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{2311}}^1$

素因数の和:2651

約数の個数: 24

約数和(自身を含む): 571304448

約数和(自身を除く): 182924721

約数列:

[1, 3, 9, 71, 213, 263, 639, 789, 2311, 2367, 6933, 18673, 20799, 56019, 164081, 168057, 492243, 607793, 1476729, 1823379, 5470137, 43153303, 129459909, 388379727]

約数ペア:

[(1, 388379727), (3, 129459909), (9, 43153303), (71, 5470137), (213, 1823379), (263, 1476729), (639, 607793), (789, 492243), (2311, 168057), (2367, 164081), (6933, 56019), (18673, 20799)]