28439307

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7841}}^1$

素因数の和:7891

約数の個数: 24

約数和(自身を含む): 45671808

約数和(自身を除く): 17232501

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 7841, 23523, 70569, 101933, 243071, 305799, 729213, 917397, 2187639, 3159923, 9479769, 28439307]

約数ペア:

[(1, 28439307), (3, 9479769), (9, 3159923), (13, 2187639), (31, 917397), (39, 729213), (93, 305799), (117, 243071), (279, 101933), (403, 70569), (1209, 23523), (3627, 7841)]