28212933

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{6961}}^1$

素因数の和:7164

約数の個数: 16

約数和(自身を含む): 43220096

約数和(自身を除く): 15007163

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 6961, 20883, 48727, 146181, 1343473, 4030419, 9404311, 28212933]

約数ペア:

[(1, 28212933), (3, 9404311), (7, 4030419), (21, 1343473), (193, 146181), (579, 48727), (1351, 20883), (4053, 6961)]