16787121

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1801}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 24218880

約数和(自身を除く): 7431759

約数列:

[1, 3, 13, 39, 239, 717, 1801, 3107, 5403, 9321, 23413, 70239, 430439, 1291317, 5595707, 16787121]

約数ペア:

[(1, 16787121), (3, 5595707), (13, 1291317), (39, 430439), (239, 70239), (717, 23413), (1801, 9321), (3107, 5403)]