87020085

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 142767360

約数和(自身を除く): 55747275

約数列:

[1, 3, 5, 15, 71, 101, 213, 303, 355, 505, 809, 1065, 1515, 2427, 4045, 7171, 12135, 21513, 35855, 57439, 81709, 107565, 172317, 245127, 287195, 408545, 861585, 1225635, 5801339, 17404017, 29006695, 87020085]

約数ペア:

[(1, 87020085), (3, 29006695), (5, 17404017), (15, 5801339), (71, 1225635), (101, 861585), (213, 408545), (303, 287195), (355, 245127), (505, 172317), (809, 107565), (1065, 81709), (1515, 57439), (2427, 35855), (4045, 21513), (7171, 12135)]