25021557

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{263}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 40895712

約数和(自身を除く): 15874155

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 263, 279, 341, 789, 961, 1023, 2367, 2883, 2893, 3069, 8153, 8649, 8679, 10571, 24459, 26037, 31713, 73377, 89683, 95139, 252743, 269049, 758229, 807147, 2274687, 2780173, 8340519, 25021557]

約数ペア:

[(1, 25021557), (3, 8340519), (9, 2780173), (11, 2274687), (31, 807147), (33, 758229), (93, 269049), (99, 252743), (263, 95139), (279, 89683), (341, 73377), (789, 31713), (961, 26037), (1023, 24459), (2367, 10571), (2883, 8679), (2893, 8649), (3069, 8153)]