389867517

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2113}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 646376640

約数和(自身を除く): 256509123

約数列:

[1, 3, 9, 13, 19, 39, 57, 83, 117, 171, 247, 249, 741, 747, 1079, 1577, 2113, 2223, 3237, 4731, 6339, 9711, 14193, 19017, 20501, 27469, 40147, 61503, 82407, 120441, 175379, 184509, 247221, 361323, 521911, 526137, 1565733, 1578411, 2279927, 3332201, 4697199, 6839781, 9996603, 20519343, 29989809, 43318613, 129955839, 389867517]

約数ペア:

[(1, 389867517), (3, 129955839), (9, 43318613), (13, 29989809), (19, 20519343), (39, 9996603), (57, 6839781), (83, 4697199), (117, 3332201), (171, 2279927), (247, 1578411), (249, 1565733), (741, 526137), (747, 521911), (1079, 361323), (1577, 247221), (2113, 184509), (2223, 175379), (3237, 120441), (4731, 82407), (6339, 61503), (9711, 40147), (14193, 27469), (19017, 20501)]