9780180471

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{20503523}}^1$

素因数の和:20503582

約数の個数: 12

約数和(自身を含む): 14393473848

約数和(自身を除く): 4613293377

約数列:

[1, 3, 9, 53, 159, 477, 20503523, 61510569, 184531707, 1086686719, 3260060157, 9780180471]

約数ペア:

[(1, 9780180471), (3, 3260060157), (9, 1086686719), (53, 184531707), (159, 61510569), (477, 20503523)]