16972551

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 26557440

約数和(自身を除く): 9584889

約数列:

[1, 3, 9, 23, 27, 69, 151, 181, 207, 453, 543, 621, 1359, 1629, 3473, 4077, 4163, 4887, 10419, 12489, 27331, 31257, 37467, 81993, 93771, 112401, 245979, 628613, 737937, 1885839, 5657517, 16972551]

約数ペア:

[(1, 16972551), (3, 5657517), (9, 1885839), (23, 737937), (27, 628613), (69, 245979), (151, 112401), (181, 93771), (207, 81993), (453, 37467), (543, 31257), (621, 27331), (1359, 12489), (1629, 10419), (3473, 4887), (4077, 4163)]