840037893

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 1166449152

約数和(自身を除く): 326411259

約数列:

[1, 3, 61, 67, 131, 183, 201, 393, 523, 1569, 4087, 7991, 8777, 12261, 23973, 26331, 31903, 35041, 68513, 95709, 105123, 205539, 535397, 1606191, 2137501, 4179293, 4590371, 6412503, 12537879, 13771113, 280012631, 840037893]

約数ペア:

[(1, 840037893), (3, 280012631), (61, 13771113), (67, 12537879), (131, 6412503), (183, 4590371), (201, 4179293), (393, 2137501), (523, 1606191), (1569, 535397), (4087, 205539), (7991, 105123), (8777, 95709), (12261, 68513), (23973, 35041), (26331, 31903)]