18480729

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2473}}^1$

素因数の和:2576

約数の個数: 16

約数和(自身を含む): 25650432

約数和(自身を除く): 7169703

約数列:

[1, 3, 47, 53, 141, 159, 2473, 2491, 7419, 7473, 116231, 131069, 348693, 393207, 6160243, 18480729]

約数ペア:

[(1, 18480729), (3, 6160243), (47, 393207), (53, 348693), (141, 131069), (159, 116231), (2473, 7473), (2491, 7419)]