86571009

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{37139}}^1$

素因数の和:37189

約数の個数: 24

約数和(自身を含む): 146777280

約数和(自身を除く): 60206271

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 37139, 111417, 259973, 334251, 779919, 1374143, 2339757, 4122429, 9619001, 12367287, 28857003, 86571009]

約数ペア:

[(1, 86571009), (3, 28857003), (7, 12367287), (9, 9619001), (21, 4122429), (37, 2339757), (63, 1374143), (111, 779919), (259, 334251), (333, 259973), (777, 111417), (2331, 37139)]