2116881

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 3489920

約数和(自身を除く): 1373039

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 163, 333, 351, 481, 489, 999, 1443, 1467, 2119, 4329, 4401, 6031, 6357, 12987, 18093, 19071, 54279, 57213, 78403, 162837, 235209, 705627, 2116881]

約数ペア:

[(1, 2116881), (3, 705627), (9, 235209), (13, 162837), (27, 78403), (37, 57213), (39, 54279), (111, 19071), (117, 18093), (163, 12987), (333, 6357), (351, 6031), (481, 4401), (489, 4329), (999, 2119), (1443, 1467)]