13081395

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{173}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 21351888

約数和(自身を除く): 8270493

約数列:

[1, 3, 5, 15, 71, 173, 213, 355, 519, 865, 1065, 2595, 5041, 12283, 15123, 25205, 36849, 61415, 75615, 184245, 872093, 2616279, 4360465, 13081395]

約数ペア:

[(1, 13081395), (3, 4360465), (5, 2616279), (15, 872093), (71, 184245), (173, 75615), (213, 61415), (355, 36849), (519, 25205), (865, 15123), (1065, 12283), (2595, 5041)]