12989955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 24246432

約数和(自身を除く): 11256477

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 255, 363, 421, 561, 605, 935, 1263, 1815, 2057, 2105, 2805, 4631, 6171, 6315, 7157, 10285, 13893, 21471, 23155, 30855, 35785, 50941, 69465, 78727, 107355, 152823, 236181, 254705, 393635, 764115, 865997, 1180905, 2597991, 4329985, 12989955]

約数ペア:

[(1, 12989955), (3, 4329985), (5, 2597991), (11, 1180905), (15, 865997), (17, 764115), (33, 393635), (51, 254705), (55, 236181), (85, 152823), (121, 107355), (165, 78727), (187, 69465), (255, 50941), (363, 35785), (421, 30855), (561, 23155), (605, 21471), (935, 13893), (1263, 10285), (1815, 7157), (2057, 6315), (2105, 6171), (2805, 4631)]