87947.0000000

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 12960000

約数和(自身を除く): 4873959

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 449, 621, 667, 783, 1347, 2001, 4041, 6003, 10327, 12123, 13021, 18009, 30981, 39063, 92943, 117189, 278829, 299483, 351567, 898449, 2695347, 8086041]

約数ペア:

[(1, 8086041), (3, 2695347), (9, 898449), (23, 351567), (27, 299483), (29, 278829), (69, 117189), (87, 92943), (207, 39063), (261, 30981), (449, 18009), (621, 13021), (667, 12123), (783, 10327), (1347, 6003), (2001, 4041)]