2881521

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 4636800

約数和(自身を除く): 1755279

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 137, 171, 369, 411, 513, 779, 1107, 1233, 2337, 2603, 3699, 5617, 7011, 7809, 16851, 21033, 23427, 50553, 70281, 106723, 151659, 320169, 960507, 2881521]

約数ペア:

[(1, 2881521), (3, 960507), (9, 320169), (19, 151659), (27, 106723), (41, 70281), (57, 50553), (123, 23427), (137, 21033), (171, 16851), (369, 7809), (411, 7011), (513, 5617), (779, 3699), (1107, 2603), (1233, 2337)]