71219565

素因数分解:

$3^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2011}}^1$

素因数の和:2809

約数の個数: 24

約数和(自身を含む): 123665568

約数和(自身を除く): 52446003

約数列:

[1, 3, 5, 9, 15, 45, 787, 2011, 2361, 3935, 6033, 7083, 10055, 11805, 18099, 30165, 35415, 90495, 1582657, 4747971, 7913285, 14243913, 23739855, 71219565]

約数ペア:

[(1, 71219565), (3, 23739855), (5, 14243913), (9, 7913285), (15, 4747971), (45, 1582657), (787, 90495), (2011, 35415), (2361, 30165), (3935, 18099), (6033, 11805), (7083, 10055)]