127900003

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{2909}}^1$

素因数の和:3498

約数の個数: 16

約数和(自身を含む): 159793920

約数和(自身を除く): 31893917

約数列:

[1, 7, 11, 77, 571, 2909, 3997, 6281, 20363, 31999, 43967, 223993, 1661039, 11627273, 18271429, 127900003]

約数ペア:

[(1, 127900003), (7, 18271429), (11, 11627273), (77, 1661039), (571, 223993), (2909, 43967), (3997, 31999), (6281, 20363)]