721813401

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{50857}}^1$

素因数の和:50965

約数の個数: 24

約数和(自身を含む): 1110738720

約数和(自身を除く): 388925319

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 747, 1577, 4731, 14193, 50857, 152571, 457713, 966283, 2898849, 4221131, 8696547, 12663393, 37990179, 80201489, 240604467, 721813401]

約数ペア:

[(1, 721813401), (3, 240604467), (9, 80201489), (19, 37990179), (57, 12663393), (83, 8696547), (171, 4221131), (249, 2898849), (747, 966283), (1577, 457713), (4731, 152571), (14193, 50857)]