287691261

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12653}}^1$

素因数の和:12733

約数の個数: 32

約数和(自身を含む): 459188352

約数和(自身を除く): 171497091

約数列:

[1, 3, 11, 13, 33, 39, 53, 143, 159, 429, 583, 689, 1749, 2067, 7579, 12653, 22737, 37959, 139183, 164489, 417549, 493467, 670609, 1809379, 2011827, 5428137, 7376699, 8717917, 22130097, 26153751, 95897087, 287691261]

約数ペア:

[(1, 287691261), (3, 95897087), (11, 26153751), (13, 22130097), (33, 8717917), (39, 7376699), (53, 5428137), (143, 2011827), (159, 1809379), (429, 670609), (583, 493467), (689, 417549), (1749, 164489), (2067, 139183), (7579, 37959), (12653, 22737)]