27991201

素因数分解:

$7^3\times {\mathrm{79}}^1\times {\mathrm{1033}}^1$

素因数の和:1133

約数の個数: 16

約数和(自身を含む): 33088000

約数和(自身を除く): 5096799

約数列:

[1, 7, 49, 79, 343, 553, 1033, 3871, 7231, 27097, 50617, 81607, 354319, 571249, 3998743, 27991201]

約数ペア:

[(1, 27991201), (7, 3998743), (49, 571249), (79, 354319), (343, 81607), (553, 50617), (1033, 27097), (3871, 7231)]