81020345

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79823}}^1$

素因数の和:79864

約数の個数: 16

約数和(自身を含む): 114946560

約数和(自身を除く): 33926215

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 79823, 399115, 558761, 2314867, 2793805, 11574335, 16204069, 81020345]

約数ペア:

[(1, 81020345), (5, 16204069), (7, 11574335), (29, 2793805), (35, 2314867), (145, 558761), (203, 399115), (1015, 79823)]