669981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 987840

約数和(自身を除く): 317859

約数列:

[1, 3, 13, 39, 41, 123, 419, 533, 1257, 1599, 5447, 16341, 17179, 51537, 223327, 669981]

約数ペア:

[(1, 669981), (3, 223327), (13, 51537), (39, 17179), (41, 16341), (123, 5447), (419, 1599), (533, 1257)]