89897013

素因数分解:

$3^3\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 142983360

約数和(自身を除く): 53086347

約数列:

[1, 3, 9, 27, 29, 37, 87, 107, 111, 261, 321, 333, 783, 841, 963, 999, 1073, 2523, 2889, 3103, 3219, 3959, 7569, 9309, 9657, 11877, 22707, 27927, 28971, 31117, 35631, 83781, 89987, 93351, 106893, 114811, 269961, 280053, 344433, 809883, 840159, 1033299, 2429649, 3099897, 3329519, 9988557, 29965671, 89897013]

約数ペア:

[(1, 89897013), (3, 29965671), (9, 9988557), (27, 3329519), (29, 3099897), (37, 2429649), (87, 1033299), (107, 840159), (111, 809883), (261, 344433), (321, 280053), (333, 269961), (783, 114811), (841, 106893), (963, 93351), (999, 89987), (1073, 83781), (2523, 35631), (2889, 31117), (3103, 28971), (3219, 27927), (3959, 22707), (7569, 11877), (9309, 9657)]