81140481

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{677}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 126270720

約数和(自身を除く): 45130239

約数列:

[1, 3, 9, 23, 27, 69, 193, 207, 579, 621, 677, 1737, 2031, 4439, 5211, 6093, 13317, 15571, 18279, 39951, 46713, 119853, 130661, 140139, 391983, 420417, 1175949, 3005203, 3527847, 9015609, 27046827, 81140481]

約数ペア:

[(1, 81140481), (3, 27046827), (9, 9015609), (23, 3527847), (27, 3005203), (69, 1175949), (193, 420417), (207, 391983), (579, 140139), (621, 130661), (677, 119853), (1737, 46713), (2031, 39951), (4439, 18279), (5211, 15571), (6093, 13317)]