70386489

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{12239}}^1$

素因数の和:12322

約数の個数: 20

約数和(自身を含む): 106634880

約数和(自身を除く): 36248391

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 12239, 36717, 110151, 330453, 868969, 991359, 2606907, 7820721, 23462163, 70386489]

約数ペア:

[(1, 70386489), (3, 23462163), (9, 7820721), (27, 2606907), (71, 991359), (81, 868969), (213, 330453), (639, 110151), (1917, 36717), (5751, 12239)]