15978609

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{57271}}^1$

素因数の和:57308

約数の個数: 12

約数和(自身を含む): 23825152

約数和(自身を除く): 7846543

約数列:

[1, 3, 9, 31, 93, 279, 57271, 171813, 515439, 1775401, 5326203, 15978609]

約数ペア:

[(1, 15978609), (3, 5326203), (9, 1775401), (31, 515439), (93, 171813), (279, 57271)]