820901955

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{3347}}^1$

素因数の和:3635

約数の個数: 32

約数和(自身を含む): 1336414464

約数和(自身を除く): 515512509

約数列:

[1, 3, 5, 15, 83, 197, 249, 415, 591, 985, 1245, 2955, 3347, 10041, 16351, 16735, 49053, 50205, 81755, 245265, 277801, 659359, 833403, 1389005, 1978077, 3296795, 4167015, 9890385, 54726797, 164180391, 273633985, 820901955]

約数ペア:

[(1, 820901955), (3, 273633985), (5, 164180391), (15, 54726797), (83, 9890385), (197, 4167015), (249, 3296795), (415, 1978077), (591, 1389005), (985, 833403), (1245, 659359), (2955, 277801), (3347, 245265), (10041, 81755), (16351, 50205), (16735, 49053)]