87840855

素因数分解:

$3^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 164131200

約数和(自身を除く): 76290345

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 277, 405, 435, 729, 783, 831, 1215, 1305, 1385, 2187, 2349, 2493, 3645, 3915, 4155, 7047, 7479, 8033, 10935, 11745, 12465, 21141, 22437, 24099, 35235, 37395, 40165, 63423, 67311, 72297, 105705, 112185, 120495, 201933, 216891, 317115, 336555, 361485, 605799, 650673, 1009665, 1084455, 1952019, 3028995, 3253365, 5856057, 9760095, 17568171, 29280285, 87840855]

約数ペア:

[(1, 87840855), (3, 29280285), (5, 17568171), (9, 9760095), (15, 5856057), (27, 3253365), (29, 3028995), (45, 1952019), (81, 1084455), (87, 1009665), (135, 650673), (145, 605799), (243, 361485), (261, 336555), (277, 317115), (405, 216891), (435, 201933), (729, 120495), (783, 112185), (831, 105705), (1215, 72297), (1305, 67311), (1385, 63423), (2187, 40165), (2349, 37395), (2493, 35235), (3645, 24099), (3915, 22437), (4155, 21141), (7047, 12465), (7479, 11745), (8033, 10935)]