980748867

素因数分解:

$3^1\times 7^2\times {\mathrm{2207}}^1\times {\mathrm{3023}}^1$

素因数の和:5247

約数の個数: 24

約数和(自身を含む): 1522354176

約数和(自身を除く): 541605309

約数列:

[1, 3, 7, 21, 49, 147, 2207, 3023, 6621, 9069, 15449, 21161, 46347, 63483, 108143, 148127, 324429, 444381, 6671761, 20015283, 46702327, 140106981, 326916289, 980748867]

約数ペア:

[(1, 980748867), (3, 326916289), (7, 140106981), (21, 46702327), (49, 20015283), (147, 6671761), (2207, 444381), (3023, 324429), (6621, 148127), (9069, 108143), (15449, 63483), (21161, 46347)]