49890249

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{4079}}^1$

素因数の和:4242

約数の個数: 20

約数和(自身を含む): 75039360

約数和(自身を除く): 25149111

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 4079, 12231, 12237, 36711, 110133, 330399, 615929, 1847787, 5543361, 16630083, 49890249]

約数ペア:

[(1, 49890249), (3, 16630083), (9, 5543361), (27, 1847787), (81, 615929), (151, 330399), (453, 110133), (1359, 36711), (4077, 12237), (4079, 12231)]