1278889143

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{132103}}^1$

素因数の和:132574

約数の個数: 16

約数和(自身を含む): 1953025536

約数和(自身を除く): 674136393

約数列:

[1, 3, 7, 21, 461, 1383, 3227, 9681, 132103, 396309, 924721, 2774163, 60899483, 182698449, 426296381, 1278889143]

約数ペア:

[(1, 1278889143), (3, 426296381), (7, 182698449), (21, 60899483), (461, 2774163), (1383, 924721), (3227, 396309), (9681, 132103)]