2107831221

素因数分解:

$3^3\times {\mathrm{5449}}^1\times {\mathrm{14327}}^1$

素因数の和:19785

約数の個数: 16

約数和(自身を含む): 3123504000

約数和(自身を除く): 1015672779

約数列:

[1, 3, 9, 27, 5449, 14327, 16347, 42981, 49041, 128943, 147123, 386829, 78067823, 234203469, 702610407, 2107831221]

約数ペア:

[(1, 2107831221), (3, 702610407), (9, 234203469), (27, 78067823), (5449, 386829), (14327, 147123), (16347, 128943), (42981, 49041)]