78185709

素因数分解:

$3^3\times 7^1\times {\mathrm{413681}}^1$

素因数の和:413697

約数の個数: 16

約数和(自身を含む): 132378240

約数和(自身を除く): 54192531

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 413681, 1241043, 2895767, 3723129, 8687301, 11169387, 26061903, 78185709]

約数ペア:

[(1, 78185709), (3, 26061903), (7, 11169387), (9, 8687301), (21, 3723129), (27, 2895767), (63, 1241043), (189, 413681)]