68140191

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 109928448

約数和(自身を除く): 41788257

約数列:

[1, 3, 7, 21, 23, 69, 71, 161, 213, 483, 497, 1491, 1633, 1987, 4899, 5961, 11431, 13909, 34293, 41727, 45701, 137103, 141077, 319907, 423231, 959721, 987539, 2962617, 3244771, 9734313, 22713397, 68140191]

約数ペア:

[(1, 68140191), (3, 22713397), (7, 9734313), (21, 3244771), (23, 2962617), (69, 987539), (71, 959721), (161, 423231), (213, 319907), (483, 141077), (497, 137103), (1491, 45701), (1633, 41727), (1987, 34293), (4899, 13909), (5961, 11431)]