13261005

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1877}}^1$

素因数の和:2045

約数の個数: 24

約数和(自身を含む): 23144472

約数和(自身を除く): 9883467

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 1877, 2355, 5631, 7065, 9385, 16893, 28155, 84465, 294689, 884067, 1473445, 2652201, 4420335, 13261005]

約数ペア:

[(1, 13261005), (3, 4420335), (5, 2652201), (9, 1473445), (15, 884067), (45, 294689), (157, 84465), (471, 28155), (785, 16893), (1413, 9385), (1877, 7065), (2355, 5631)]