81209997

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{74573}}^1$

素因数の和:74601

約数の個数: 18

約数和(自身を含む): 128938446

約数和(自身を除く): 47728449

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 74573, 223719, 671157, 820303, 2460909, 7382727, 9023333, 27069999, 81209997]

約数ペア:

[(1, 81209997), (3, 27069999), (9, 9023333), (11, 7382727), (33, 2460909), (99, 820303), (121, 671157), (363, 223719), (1089, 74573)]