86990721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{25867}}^1$

素因数の和:25948

約数の個数: 16

約数和(自身を含む): 124166400

約数和(自身を除く): 37175679

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 25867, 77601, 491473, 1474419, 1526153, 4578459, 28996907, 86990721]

約数ペア:

[(1, 86990721), (3, 28996907), (19, 4578459), (57, 1526153), (59, 1474419), (177, 491473), (1121, 77601), (3363, 25867)]