28773507

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1741}}^1$

素因数の和:2538

約数の個数: 16

約数和(自身を含む): 43926272

約数和(自身を除く): 15152765

約数列:

[1, 3, 7, 21, 787, 1741, 2361, 5223, 5509, 12187, 16527, 36561, 1370167, 4110501, 9591169, 28773507]

約数ペア:

[(1, 28773507), (3, 9591169), (7, 4110501), (21, 1370167), (787, 36561), (1741, 16527), (2361, 12187), (5223, 5509)]