28124847

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 43776000

約数和(自身を除く): 15651153

約数列:

[1, 3, 9, 27, 37, 47, 111, 141, 333, 423, 599, 999, 1269, 1739, 1797, 5217, 5391, 15651, 16173, 22163, 28153, 46953, 66489, 84459, 199467, 253377, 598401, 760131, 1041661, 3124983, 9374949, 28124847]

約数ペア:

[(1, 28124847), (3, 9374949), (9, 3124983), (27, 1041661), (37, 760131), (47, 598401), (111, 253377), (141, 199467), (333, 84459), (423, 66489), (599, 46953), (999, 28153), (1269, 22163), (1739, 16173), (1797, 15651), (5217, 5391)]