68961945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 128024064

約数和(自身を除く): 59062119

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 71, 85, 195, 213, 221, 255, 293, 355, 663, 879, 923, 1065, 1105, 1207, 1465, 2769, 3315, 3621, 3809, 4395, 4615, 4981, 6035, 11427, 13845, 14943, 15691, 18105, 19045, 20803, 24905, 47073, 57135, 62409, 64753, 74715, 78455, 104015, 194259, 235365, 270439, 312045, 323765, 353651, 811317, 971295, 1060953, 1352195, 1768255, 4056585, 4597463, 5304765, 13792389, 22987315, 68961945]

約数ペア:

[(1, 68961945), (3, 22987315), (5, 13792389), (13, 5304765), (15, 4597463), (17, 4056585), (39, 1768255), (51, 1352195), (65, 1060953), (71, 971295), (85, 811317), (195, 353651), (213, 323765), (221, 312045), (255, 270439), (293, 235365), (355, 194259), (663, 104015), (879, 78455), (923, 74715), (1065, 64753), (1105, 62409), (1207, 57135), (1465, 47073), (2769, 24905), (3315, 20803), (3621, 19045), (3809, 18105), (4395, 15691), (4615, 14943), (4981, 13845), (6035, 11427)]