74742993

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{70981}}^1$

素因数の和:71006

約数の個数: 20

約数和(自身を含む): 120243508

約数和(自身を除く): 45500515

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 70981, 212943, 638829, 922753, 1916487, 2768259, 5749461, 8304777, 24914331, 74742993]

約数ペア:

[(1, 74742993), (3, 24914331), (9, 8304777), (13, 5749461), (27, 2768259), (39, 1916487), (81, 922753), (117, 638829), (351, 212943), (1053, 70981)]