81313309

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{28541}}^1$

素因数の和:28596

約数の個数: 16

約数和(自身を含む): 104121216

約数和(自身を除く): 22807907

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 28541, 199787, 313951, 1056017, 2197657, 7392119, 11616187, 81313309]

約数ペア:

[(1, 81313309), (7, 11616187), (11, 7392119), (37, 2197657), (77, 1056017), (259, 313951), (407, 199787), (2849, 28541)]