19790121

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16369}}^1$

素因数の和:16416

約数の個数: 16

約数和(自身を含む): 29335040

約数和(自身を除く): 9544919

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 16369, 49107, 212797, 507439, 638391, 1522317, 6596707, 19790121]

約数ペア:

[(1, 19790121), (3, 6596707), (13, 1522317), (31, 638391), (39, 507439), (93, 212797), (403, 49107), (1209, 16369)]