1779219

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 2936640

約数和(自身を除く): 1157421

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 137, 333, 351, 411, 481, 999, 1233, 1443, 1781, 3699, 4329, 5069, 5343, 12987, 15207, 16029, 45621, 48087, 65897, 136863, 197691, 593073, 1779219]

約数ペア:

[(1, 1779219), (3, 593073), (9, 197691), (13, 136863), (27, 65897), (37, 48087), (39, 45621), (111, 16029), (117, 15207), (137, 12987), (333, 5343), (351, 5069), (411, 4329), (481, 3699), (999, 1781), (1233, 1443)]