28333431

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10459}}^1$

素因数の和:10515

約数の個数: 24

約数和(自身を含む): 47864960

約数和(自身を除く): 19531529

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 10459, 31377, 73213, 94131, 219639, 449737, 658917, 1349211, 3148159, 4047633, 9444477, 28333431]

約数ペア:

[(1, 28333431), (3, 9444477), (7, 4047633), (9, 3148159), (21, 1349211), (43, 658917), (63, 449737), (129, 219639), (301, 94131), (387, 73213), (903, 31377), (2709, 10459)]