72123453

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{28723}}^1$

素因数の和:28766

約数の個数: 20

約数和(自身を含む): 111219328

約数和(自身を除く): 39095875

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 28723, 86169, 258507, 775521, 890413, 2326563, 2671239, 8013717, 24041151, 72123453]

約数ペア:

[(1, 72123453), (3, 24041151), (9, 8013717), (27, 2671239), (31, 2326563), (81, 890413), (93, 775521), (279, 258507), (837, 86169), (2511, 28723)]