131485878

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{17351}}^1$

素因数の和:17780

約数の個数: 24

約数和(自身を含む): 285579216

約数和(自身を除く): 154093338

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 3789, 7578, 17351, 34702, 52053, 104106, 156159, 312318, 7304771, 14609542, 21914313, 43828626, 65742939, 131485878]

約数ペア:

[(1, 131485878), (2, 65742939), (3, 43828626), (6, 21914313), (9, 14609542), (18, 7304771), (421, 312318), (842, 156159), (1263, 104106), (2526, 52053), (3789, 34702), (7578, 17351)]