15881253

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 21789696

約数和(自身を除く): 5908443

約数列:

[1, 3, 47, 141, 163, 489, 691, 2073, 7661, 22983, 32477, 97431, 112633, 337899, 5293751, 15881253]

約数ペア:

[(1, 15881253), (3, 5293751), (47, 337899), (141, 112633), (163, 97431), (489, 32477), (691, 22983), (2073, 7661)]