26821857

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 36368640

約数和(自身を除く): 9546783

約数列:

[1, 3, 131, 139, 393, 417, 491, 1473, 18209, 54627, 64321, 68249, 192963, 204747, 8940619, 26821857]

約数ペア:

[(1, 26821857), (3, 8940619), (131, 204747), (139, 192963), (393, 68249), (417, 64321), (491, 54627), (1473, 18209)]