13965147

素因数分解:

$3^2\times 7^2\times {\mathrm{31667}}^1$

素因数の和:31687

約数の個数: 18

約数和(自身を含む): 23465988

約数和(自身を除く): 9500841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 31667, 95001, 221669, 285003, 665007, 1551683, 1995021, 4655049, 13965147]

約数ペア:

[(1, 13965147), (3, 4655049), (7, 1995021), (9, 1551683), (21, 665007), (49, 285003), (63, 221669), (147, 95001), (441, 31667)]