78888573

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{7109}}^1$

素因数の和:7258

約数の個数: 20

約数和(自身を含む): 118722780

約数和(自身を除く): 39834207

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 7109, 11097, 21327, 63981, 191943, 575829, 973933, 2921799, 8765397, 26296191, 78888573]

約数ペア:

[(1, 78888573), (3, 26296191), (9, 8765397), (27, 2921799), (81, 973933), (137, 575829), (411, 191943), (1233, 63981), (3699, 21327), (7109, 11097)]