81209658

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{190633}}^1$

素因数の和:190709

約数の個数: 16

約数和(自身を含む): 164707776

約数和(自身を除く): 83498118

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 190633, 381266, 571899, 1143798, 13534943, 27069886, 40604829, 81209658]

約数ペア:

[(1, 81209658), (2, 40604829), (3, 27069886), (6, 13534943), (71, 1143798), (142, 571899), (213, 381266), (426, 190633)]