28354893

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{12619}}^1$

素因数の和:12736

約数の個数: 16

約数和(自身を含む): 43614720

約数和(自身を除く): 15259827

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 12619, 37857, 88333, 264999, 1350233, 4050699, 9451631, 28354893]

約数ペア:

[(1, 28354893), (3, 9451631), (7, 4050699), (21, 1350233), (107, 264999), (321, 88333), (749, 37857), (2247, 12619)]