81221526

素因数分解:

$2^1\times 3^2\times {\mathrm{2039}}^1\times {\mathrm{2213}}^1$

素因数の和:4260

約数の個数: 24

約数和(自身を含む): 176145840

約数和(自身を除く): 94924314

約数列:

[1, 2, 3, 6, 9, 18, 2039, 2213, 4078, 4426, 6117, 6639, 12234, 13278, 18351, 19917, 36702, 39834, 4512307, 9024614, 13536921, 27073842, 40610763, 81221526]

約数ペア:

[(1, 81221526), (2, 40610763), (3, 27073842), (6, 13536921), (9, 9024614), (18, 4512307), (2039, 39834), (2213, 36702), (4078, 19917), (4426, 18351), (6117, 13278), (6639, 12234)]