131728107

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1223}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 210567168

約数和(自身を除く): 78839061

約数列:

[1, 3, 7, 21, 23, 69, 161, 223, 483, 669, 1223, 1561, 3669, 4683, 5129, 8561, 15387, 25683, 28129, 35903, 84387, 107709, 196903, 272729, 590709, 818187, 1909103, 5727309, 6272767, 18818301, 43909369, 131728107]

約数ペア:

[(1, 131728107), (3, 43909369), (7, 18818301), (21, 6272767), (23, 5727309), (69, 1909103), (161, 818187), (223, 590709), (483, 272729), (669, 196903), (1223, 107709), (1561, 84387), (3669, 35903), (4683, 28129), (5129, 25683), (8561, 15387)]