9891679

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 12279168

約数和(自身を除く): 2387489

約数列:

[1, 7, 23, 49, 67, 131, 161, 469, 917, 1127, 1541, 3013, 3283, 6419, 8777, 10787, 21091, 61439, 75509, 147637, 201871, 430073, 1413097, 9891679]

約数ペア:

[(1, 9891679), (7, 1413097), (23, 430073), (49, 201871), (67, 147637), (131, 75509), (161, 61439), (469, 21091), (917, 10787), (1127, 8777), (1541, 6419), (3013, 3283)]