2100047391

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1994347}}^1$

素因数の和:1994372

約数の個数: 20

約数和(自身を含む): 3378425512

約数和(自身を除く): 1278378121

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1994347, 5983041, 17949123, 25926511, 53847369, 77779533, 161542107, 233338599, 700015797, 2100047391]

約数ペア:

[(1, 2100047391), (3, 700015797), (9, 233338599), (13, 161542107), (27, 77779533), (39, 53847369), (81, 25926511), (117, 17949123), (351, 5983041), (1053, 1994347)]