388473267

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1422979}}^1$

素因数の和:1423002

約数の個数: 16

約数和(自身を含む): 637495040

約数和(自身を除く): 249021773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1422979, 4268937, 9960853, 18498727, 29882559, 55496181, 129491089, 388473267]

約数ペア:

[(1, 388473267), (3, 129491089), (7, 55496181), (13, 29882559), (21, 18498727), (39, 9960853), (91, 4268937), (273, 1422979)]