28447809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17791}}^1$

素因数の和:17848

約数の個数: 16

約数和(自身を含む): 41846784

約数和(自身を除く): 13398975

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 17791, 53373, 231283, 693849, 729431, 2188293, 9482603, 28447809]

約数ペア:

[(1, 28447809), (3, 9482603), (13, 2188293), (39, 729431), (41, 693849), (123, 231283), (533, 53373), (1599, 17791)]