9680215

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 12728448

約数和(自身を除く): 3048233

約数列:

[1, 5, 19, 31, 95, 155, 173, 361, 589, 865, 1805, 2945, 3287, 5363, 11191, 16435, 26815, 55955, 62453, 101897, 312265, 509485, 1936043, 9680215]

約数ペア:

[(1, 9680215), (5, 1936043), (19, 509485), (31, 312265), (95, 101897), (155, 62453), (173, 55955), (361, 26815), (589, 16435), (865, 11191), (1805, 5363), (2945, 3287)]