218930481819

素因数分解:

$3^2\times 7^1\times {\mathrm{2089}}^1\times {\mathrm{1663517}}^1$

素因数の和:1665619

約数の個数: 24

約数和(自身を含む): 361582272480

約数和(自身を除く): 142651790661

約数列:

[1, 3, 7, 9, 21, 63, 2089, 6267, 14623, 18801, 43869, 131607, 1663517, 4990551, 11644619, 14971653, 34933857, 104801571, 3475087013, 10425261039, 24325609091, 31275783117, 72976827273, 218930481819]

約数ペア:

[(1, 218930481819), (3, 72976827273), (7, 31275783117), (9, 24325609091), (21, 10425261039), (63, 3475087013), (2089, 104801571), (6267, 34933857), (14623, 14971653), (18801, 11644619), (43869, 4990551), (131607, 1663517)]