129204531

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 194880000

約数和(自身を除く): 65675469

約数列:

[1, 3, 9, 27, 139, 173, 199, 417, 519, 597, 1251, 1557, 1791, 3753, 4671, 5373, 24047, 27661, 34427, 72141, 82983, 103281, 216423, 248949, 309843, 649269, 746847, 929529, 4785353, 14356059, 43068177, 129204531]

約数ペア:

[(1, 129204531), (3, 43068177), (9, 14356059), (27, 4785353), (139, 929529), (173, 746847), (199, 649269), (417, 309843), (519, 248949), (597, 216423), (1251, 103281), (1557, 82983), (1791, 72141), (3753, 34427), (4671, 27661), (5373, 24047)]