42006519

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{16729}}^1$

素因数の和:16772

約数の個数: 20

約数和(自身を含む): 64778560

約数和(自身を除く): 22772041

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 16729, 50187, 150561, 451683, 518599, 1355049, 1555797, 4667391, 14002173, 42006519]

約数ペア:

[(1, 42006519), (3, 14002173), (9, 4667391), (27, 1555797), (31, 1355049), (81, 518599), (93, 451683), (279, 150561), (837, 50187), (2511, 16729)]