2991235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2707}}^1$

素因数の和:2742

約数の個数: 16

約数和(自身を含む): 4094496

約数和(自身を除く): 1103261

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 2707, 13535, 35191, 46019, 175955, 230095, 598247, 2991235]

約数ペア:

[(1, 2991235), (5, 598247), (13, 230095), (17, 175955), (65, 46019), (85, 35191), (221, 13535), (1105, 2707)]