210870999

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1553}}^1$

素因数の和:1716

約数の個数: 32

約数和(自身を含む): 322237440

約数和(自身を除く): 111366441

約数列:

[1, 3, 9, 27, 47, 107, 141, 321, 423, 963, 1269, 1553, 2889, 4659, 5029, 13977, 15087, 41931, 45261, 72991, 135783, 166171, 218973, 498513, 656919, 1495539, 1970757, 4486617, 7810037, 23430111, 70290333, 210870999]

約数ペア:

[(1, 210870999), (3, 70290333), (9, 23430111), (27, 7810037), (47, 4486617), (107, 1970757), (141, 1495539), (321, 656919), (423, 498513), (963, 218973), (1269, 166171), (1553, 135783), (2889, 72991), (4659, 45261), (5029, 41931), (13977, 15087)]