12390489

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 19921440

約数和(自身を除く): 7530951

約数列:

[1, 3, 9, 19, 27, 57, 81, 83, 97, 171, 249, 291, 513, 747, 873, 1539, 1577, 1843, 2241, 2619, 4731, 5529, 6723, 7857, 8051, 14193, 16587, 24153, 42579, 49761, 72459, 127737, 149283, 152969, 217377, 458907, 652131, 1376721, 4130163, 12390489]

約数ペア:

[(1, 12390489), (3, 4130163), (9, 1376721), (19, 652131), (27, 458907), (57, 217377), (81, 152969), (83, 149283), (97, 127737), (171, 72459), (249, 49761), (291, 42579), (513, 24153), (747, 16587), (873, 14193), (1539, 8051), (1577, 7857), (1843, 6723), (2241, 5529), (2619, 4731)]