1720089

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 3072000

約数和(自身を除く): 1351911

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 479, 513, 1197, 1437, 3353, 3591, 4311, 9101, 10059, 12933, 27303, 30177, 63707, 81909, 90531, 191121, 245727, 573363, 1720089]

約数ペア:

[(1, 1720089), (3, 573363), (7, 245727), (9, 191121), (19, 90531), (21, 81909), (27, 63707), (57, 30177), (63, 27303), (133, 12933), (171, 10059), (189, 9101), (399, 4311), (479, 3591), (513, 3353), (1197, 1437)]