78741693

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{20981}}^1$

素因数の和:21129

約数の個数: 16

約数和(自身を含む): 117499200

約数和(自身を除く): 38757507

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 20981, 62943, 188829, 566487, 2916359, 8749077, 26247231, 78741693]

約数ペア:

[(1, 78741693), (3, 26247231), (9, 8749077), (27, 2916359), (139, 566487), (417, 188829), (1251, 62943), (3753, 20981)]