68884647

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 101418240

約数和(自身を除く): 32533593

約数列:

[1, 3, 13, 39, 97, 131, 139, 291, 393, 417, 1261, 1703, 1807, 3783, 5109, 5421, 12707, 13483, 18209, 38121, 40449, 54627, 165191, 175279, 236717, 495573, 525837, 710151, 1766273, 5298819, 22961549, 68884647]

約数ペア:

[(1, 68884647), (3, 22961549), (13, 5298819), (39, 1766273), (97, 710151), (131, 525837), (139, 495573), (291, 236717), (393, 175279), (417, 165191), (1261, 54627), (1703, 40449), (1807, 38121), (3783, 18209), (5109, 13483), (5421, 12707)]