1391499

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:472

約数の個数: 20

約数和(自身を含む): 2134440

約数和(自身を除く): 742941

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 419, 1107, 1257, 3321, 3771, 11313, 17179, 33939, 51537, 154611, 463833, 1391499]

約数ペア:

[(1, 1391499), (3, 463833), (9, 154611), (27, 51537), (41, 33939), (81, 17179), (123, 11313), (369, 3771), (419, 3321), (1107, 1257)]