12157005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{115781}}^1$

素因数の和:115796

約数の個数: 16

約数和(自身を含む): 22230144

約数和(自身を除く): 10073139

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 115781, 347343, 578905, 810467, 1736715, 2431401, 4052335, 12157005]

約数ペア:

[(1, 12157005), (3, 4052335), (5, 2431401), (7, 1736715), (15, 810467), (21, 578905), (35, 347343), (105, 115781)]