12904749

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 22573824

約数和(自身を除く): 9669075

約数列:

[1, 3, 9, 11, 13, 33, 37, 39, 99, 111, 117, 143, 271, 333, 407, 429, 481, 813, 1221, 1287, 1443, 2439, 2981, 3523, 3663, 4329, 5291, 8943, 10027, 10569, 15873, 26829, 30081, 31707, 38753, 47619, 90243, 110297, 116259, 130351, 330891, 348777, 391053, 992673, 1173159, 1433861, 4301583, 12904749]

約数ペア:

[(1, 12904749), (3, 4301583), (9, 1433861), (11, 1173159), (13, 992673), (33, 391053), (37, 348777), (39, 330891), (99, 130351), (111, 116259), (117, 110297), (143, 90243), (271, 47619), (333, 38753), (407, 31707), (429, 30081), (481, 26829), (813, 15873), (1221, 10569), (1287, 10027), (1443, 8943), (2439, 5291), (2981, 4329), (3523, 3663)]