80455851

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17987}}^1$

素因数の和:18071

約数の個数: 24

約数和(自身を含む): 134694144

約数和(自身を除く): 54238293

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 17987, 53961, 125909, 161883, 377727, 1133181, 1277077, 3831231, 8939539, 11493693, 26818617, 80455851]

約数ペア:

[(1, 80455851), (3, 26818617), (7, 11493693), (9, 8939539), (21, 3831231), (63, 1277077), (71, 1133181), (213, 377727), (497, 161883), (639, 125909), (1491, 53961), (4473, 17987)]