85289031

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{19867}}^1$

素因数の和:19932

約数の個数: 20

約数和(自身を含む): 129817512

約数和(自身を除く): 44528481

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 19867, 59601, 178803, 536409, 1052951, 1609227, 3158853, 9476559, 28429677, 85289031]

約数ペア:

[(1, 85289031), (3, 28429677), (9, 9476559), (27, 3158853), (53, 1609227), (81, 1052951), (159, 536409), (477, 178803), (1431, 59601), (4293, 19867)]