17920731

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2749}}^1$

素因数の和:2846

約数の個数: 16

約数和(自身を含む): 24948000

約数和(自身を除く): 7027269

約数列:

[1, 3, 41, 53, 123, 159, 2173, 2749, 6519, 8247, 112709, 145697, 338127, 437091, 5973577, 17920731]

約数ペア:

[(1, 17920731), (3, 5973577), (41, 437091), (53, 338127), (123, 145697), (159, 112709), (2173, 8247), (2749, 6519)]