28295589

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8369}}^1$

素因数の和:8409

約数の個数: 24

約数和(自身を含む): 45800640

約数和(自身を除く): 17505051

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 8369, 25107, 58583, 175749, 192487, 410081, 577461, 1230243, 1347409, 4042227, 9431863, 28295589]

約数ペア:

[(1, 28295589), (3, 9431863), (7, 4042227), (21, 1347409), (23, 1230243), (49, 577461), (69, 410081), (147, 192487), (161, 175749), (483, 58583), (1127, 25107), (3381, 8369)]