128527533

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1259}}^1$

素因数の和:1486

約数の個数: 32

約数和(自身を含む): 201600000

約数和(自身を除く): 73072467

約数列:

[1, 3, 9, 19, 27, 57, 171, 199, 513, 597, 1259, 1791, 3777, 3781, 5373, 11331, 11343, 23921, 33993, 34029, 71763, 102087, 215289, 250541, 645867, 751623, 2254869, 4760279, 6764607, 14280837, 42842511, 128527533]

約数ペア:

[(1, 128527533), (3, 42842511), (9, 14280837), (19, 6764607), (27, 4760279), (57, 2254869), (171, 751623), (199, 645867), (513, 250541), (597, 215289), (1259, 102087), (1791, 71763), (3777, 34029), (3781, 33993), (5373, 23921), (11331, 11343)]