28691037

素因数分解:

$3^3\times {\mathrm{571}}^1\times {\mathrm{1861}}^1$

素因数の和:2441

約数の個数: 16

約数和(自身を含む): 42602560

約数和(自身を除く): 13911523

約数列:

[1, 3, 9, 27, 571, 1713, 1861, 5139, 5583, 15417, 16749, 50247, 1062631, 3187893, 9563679, 28691037]

約数ペア:

[(1, 28691037), (3, 9563679), (9, 3187893), (27, 1062631), (571, 50247), (1713, 16749), (1861, 15417), (5139, 5583)]