261369765

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109589}}^1$

素因数の和:109653

約数の個数: 24

約数和(自身を含む): 461593080

約数和(自身を除く): 200223315

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 109589, 328767, 547945, 986301, 1643835, 4931505, 5808217, 17424651, 29041085, 52273953, 87123255, 261369765]

約数ペア:

[(1, 261369765), (3, 87123255), (5, 52273953), (9, 29041085), (15, 17424651), (45, 5808217), (53, 4931505), (159, 1643835), (265, 986301), (477, 547945), (795, 328767), (2385, 109589)]