28152747

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5021}}^1$

素因数の和:5123

約数の個数: 24

約数和(自身を含む): 47005920

約数和(自身を除く): 18853173

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5021, 5607, 15063, 35147, 45189, 105441, 316323, 446869, 1340607, 3128083, 4021821, 9384249, 28152747]

約数ペア:

[(1, 28152747), (3, 9384249), (7, 4021821), (9, 3128083), (21, 1340607), (63, 446869), (89, 316323), (267, 105441), (623, 45189), (801, 35147), (1869, 15063), (5021, 5607)]