81181986

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^2\times {\mathrm{2539}}^1$

素因数の和:2690

約数の個数: 24

約数和(自身を含む): 164683440

約数和(自身を除く): 83501454

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 2539, 5078, 5329, 7617, 10658, 15234, 15987, 31974, 185347, 370694, 556041, 1112082, 13530331, 27060662, 40590993, 81181986]

約数ペア:

[(1, 81181986), (2, 40590993), (3, 27060662), (6, 13530331), (73, 1112082), (146, 556041), (219, 370694), (438, 185347), (2539, 31974), (5078, 15987), (5329, 15234), (7617, 10658)]