28010985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109847}}^1$

素因数の和:109872

約数の個数: 16

約数和(自身を含む): 47454336

約数和(自身を除く): 19443351

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 109847, 329541, 549235, 1647705, 1867399, 5602197, 9336995, 28010985]

約数ペア:

[(1, 28010985), (3, 9336995), (5, 5602197), (15, 1867399), (17, 1647705), (51, 549235), (85, 329541), (255, 109847)]