90780129

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 152024320

約数和(自身を除く): 61244191

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 121, 297, 333, 363, 407, 751, 999, 1089, 1221, 2253, 3267, 3663, 4477, 6759, 8261, 10989, 13431, 20277, 24783, 27787, 40293, 74349, 83361, 90871, 120879, 223047, 250083, 272613, 305657, 750249, 817839, 916971, 2453517, 2750913, 3362227, 8252739, 10086681, 30260043, 90780129]

約数ペア:

[(1, 90780129), (3, 30260043), (9, 10086681), (11, 8252739), (27, 3362227), (33, 2750913), (37, 2453517), (99, 916971), (111, 817839), (121, 750249), (297, 305657), (333, 272613), (363, 250083), (407, 223047), (751, 120879), (999, 90871), (1089, 83361), (1221, 74349), (2253, 40293), (3267, 27787), (3663, 24783), (4477, 20277), (6759, 13431), (8261, 10989)]