218987781

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1\times {\mathrm{2089}}^1$

素因数の和:2596

約数の個数: 16

約数和(自身を含む): 296345280

約数和(自身を除く): 77357499

約数列:

[1, 3, 83, 249, 421, 1263, 2089, 6267, 34943, 104829, 173387, 520161, 879469, 2638407, 72995927, 218987781]

約数ペア:

[(1, 218987781), (3, 72995927), (83, 2638407), (249, 879469), (421, 520161), (1263, 173387), (2089, 104829), (6267, 34943)]