81907965

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{17011}}^1$

素因数の和:17129

約数の個数: 24

約数和(自身を含む): 143309088

約数和(自身を除く): 61401123

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4815, 17011, 51033, 85055, 153099, 255165, 765495, 1820177, 5460531, 9100885, 16381593, 27302655, 81907965]

約数ペア:

[(1, 81907965), (3, 27302655), (5, 16381593), (9, 9100885), (15, 5460531), (45, 1820177), (107, 765495), (321, 255165), (535, 153099), (963, 85055), (1605, 51033), (4815, 17011)]