13781439

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9511}}^1$

素因数の和:9547

約数の個数: 24

約数和(自身を含む): 23741952

約数和(自身を除く): 9960513

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 9511, 28533, 66577, 85599, 199731, 218753, 599193, 656259, 1531271, 1968777, 4593813, 13781439]

約数ペア:

[(1, 13781439), (3, 4593813), (7, 1968777), (9, 1531271), (21, 656259), (23, 599193), (63, 218753), (69, 199731), (161, 85599), (207, 66577), (483, 28533), (1449, 9511)]