207781131

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1\times {\mathrm{1109}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 294345360

約数和(自身を除く): 86564229

約数列:

[1, 3, 19, 57, 173, 361, 519, 1083, 1109, 3287, 3327, 9861, 21071, 62453, 63213, 187359, 191857, 400349, 575571, 1201047, 3645283, 10935849, 69260377, 207781131]

約数ペア:

[(1, 207781131), (3, 69260377), (19, 10935849), (57, 3645283), (173, 1201047), (361, 575571), (519, 400349), (1083, 191857), (1109, 187359), (3287, 63213), (3327, 62453), (9861, 21071)]