28102251

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{3109}}^1$

素因数の和:3266

約数の個数: 16

約数和(自身を含む): 39409920

約数和(自身を除く): 11307669

約数列:

[1, 3, 23, 69, 131, 393, 3013, 3109, 9039, 9327, 71507, 214521, 407279, 1221837, 9367417, 28102251]

約数ペア:

[(1, 28102251), (3, 9367417), (23, 1221837), (69, 407279), (131, 214521), (393, 71507), (3013, 9327), (3109, 9039)]