290778813

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{23227}}^1$

素因数の和:23353

約数の個数: 24

約数和(自身を含む): 456569568

約数和(自身を除く): 165790755

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 4173, 12519, 23227, 69681, 209043, 301951, 905853, 2485289, 2717559, 7455867, 22367601, 32308757, 96926271, 290778813]

約数ペア:

[(1, 290778813), (3, 96926271), (9, 32308757), (13, 22367601), (39, 7455867), (107, 2717559), (117, 2485289), (321, 905853), (963, 301951), (1391, 209043), (4173, 69681), (12519, 23227)]