28253001

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9679}}^1$

素因数の和:9828

約数の個数: 16

約数和(自身を含む): 43366400

約数和(自身を除く): 15113399

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 9679, 29037, 67753, 203259, 1345381, 4036143, 9417667, 28253001]

約数ペア:

[(1, 28253001), (3, 9417667), (7, 4036143), (21, 1345381), (139, 203259), (417, 67753), (973, 29037), (2919, 9679)]