66690875

素因数分解:

$5^3\times {\mathrm{127}}^1\times {\mathrm{4201}}^1$

素因数の和:4343

約数の個数: 16

約数和(自身を含む): 83905536

約数和(自身を除く): 17214661

約数列:

[1, 5, 25, 125, 127, 635, 3175, 4201, 15875, 21005, 105025, 525125, 533527, 2667635, 13338175, 66690875]

約数ペア:

[(1, 66690875), (5, 13338175), (25, 2667635), (125, 533527), (127, 525125), (635, 105025), (3175, 21005), (4201, 15875)]