28185711

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1319}}^1$

素因数の和:1758

約数の個数: 16

約数和(自身を含む): 39916800

約数和(自身を除く): 11731089

約数列:

[1, 3, 17, 51, 419, 1257, 1319, 3957, 7123, 21369, 22423, 67269, 552661, 1657983, 9395237, 28185711]

約数ペア:

[(1, 28185711), (3, 9395237), (17, 1657983), (51, 552661), (419, 67269), (1257, 22423), (1319, 21369), (3957, 7123)]