1004643

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 20

約数和(自身を含む): 1529440

約数和(自身を除く): 524797

約数列:

[1, 3, 9, 27, 79, 81, 157, 237, 471, 711, 1413, 2133, 4239, 6399, 12403, 12717, 37209, 111627, 334881, 1004643]

約数ペア:

[(1, 1004643), (3, 334881), (9, 111627), (27, 37209), (79, 12717), (81, 12403), (157, 6399), (237, 4239), (471, 2133), (711, 1413)]