2140749

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:151

約数の個数: 40

約数和(自身を含む): 3659040

約数和(自身を除く): 1518291

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 107, 117, 171, 247, 321, 351, 513, 741, 963, 1053, 1391, 1539, 2033, 2223, 2889, 4173, 6099, 6669, 8667, 12519, 18297, 20007, 26429, 37557, 54891, 79287, 112671, 164673, 237861, 713583, 2140749]

約数ペア:

[(1, 2140749), (3, 713583), (9, 237861), (13, 164673), (19, 112671), (27, 79287), (39, 54891), (57, 37557), (81, 26429), (107, 20007), (117, 18297), (171, 12519), (247, 8667), (321, 6669), (351, 6099), (513, 4173), (741, 2889), (963, 2223), (1053, 2033), (1391, 1539)]