51390729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1327}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 80243072

約数和(自身を除く): 28852343

約数列:

[1, 3, 9, 13, 39, 117, 331, 993, 1327, 2979, 3981, 4303, 11943, 12909, 17251, 38727, 51753, 155259, 439237, 1317711, 3953133, 5710081, 17130243, 51390729]

約数ペア:

[(1, 51390729), (3, 17130243), (9, 5710081), (13, 3953133), (39, 1317711), (117, 439237), (331, 155259), (993, 51753), (1327, 38727), (2979, 17251), (3981, 12909), (4303, 11943)]