47790243

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{13721}}^1$

素因数の和:13776

約数の個数: 20

約数和(自身を含む): 73055928

約数和(自身を除く): 25265685

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 13721, 41163, 123489, 370467, 590003, 1111401, 1770009, 5310027, 15930081, 47790243]

約数ペア:

[(1, 47790243), (3, 15930081), (9, 5310027), (27, 1770009), (43, 1111401), (81, 590003), (129, 370467), (387, 123489), (1161, 41163), (3483, 13721)]