28861413

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{7121}}^1$

素因数の和:7324

約数の個数: 16

約数和(自身を含む): 44213376

約数和(自身を除く): 15351963

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 7121, 21363, 49847, 149541, 1374353, 4123059, 9620471, 28861413]

約数ペア:

[(1, 28861413), (3, 9620471), (7, 4123059), (21, 1374353), (193, 149541), (579, 49847), (1351, 21363), (4053, 7121)]