1247157

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 20

約数和(自身を含む): 1894860

約数和(自身を除く): 647703

約数列:

[1, 3, 9, 27, 81, 89, 173, 267, 519, 801, 1557, 2403, 4671, 7209, 14013, 15397, 46191, 138573, 415719, 1247157]

約数ペア:

[(1, 1247157), (3, 415719), (9, 138573), (27, 46191), (81, 15397), (89, 14013), (173, 7209), (267, 4671), (519, 2403), (801, 1557)]