81328155

素因数分解:

$3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{12239}}^1$

素因数の和:12690

約数の個数: 16

約数和(自身を含む): 130429440

約数和(自身を除く): 49101285

約数列:

[1, 3, 5, 15, 443, 1329, 2215, 6645, 12239, 36717, 61195, 183585, 5421877, 16265631, 27109385, 81328155]

約数ペア:

[(1, 81328155), (3, 27109385), (5, 16265631), (15, 5421877), (443, 183585), (1329, 61195), (2215, 36717), (6645, 12239)]