28170801

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 43374720

約数和(自身を除く): 15203919

約数列:

[1, 3, 9, 27, 37, 111, 163, 173, 333, 489, 519, 999, 1467, 1557, 4401, 4671, 6031, 6401, 18093, 19203, 28199, 54279, 57609, 84597, 162837, 172827, 253791, 761373, 1043363, 3130089, 9390267, 28170801]

約数ペア:

[(1, 28170801), (3, 9390267), (9, 3130089), (27, 1043363), (37, 761373), (111, 253791), (163, 172827), (173, 162837), (333, 84597), (489, 57609), (519, 54279), (999, 28199), (1467, 19203), (1557, 18093), (4401, 6401), (4671, 6031)]