17785287

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2141}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 28068768

約数和(自身を除く): 10283481

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2141, 2769, 6423, 8307, 19269, 27833, 83499, 152011, 250497, 456033, 1368099, 1976143, 5928429, 17785287]

約数ペア:

[(1, 17785287), (3, 5928429), (9, 1976143), (13, 1368099), (39, 456033), (71, 250497), (117, 152011), (213, 83499), (639, 27833), (923, 19269), (2141, 8307), (2769, 6423)]