1276155

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 40

約数和(自身を含む): 2404512

約数和(自身を除く): 1128357

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 137, 207, 345, 405, 411, 621, 685, 1035, 1233, 1863, 2055, 3105, 3151, 3699, 6165, 9315, 9453, 11097, 15755, 18495, 28359, 47265, 55485, 85077, 141795, 255231, 425385, 1276155]

約数ペア:

[(1, 1276155), (3, 425385), (5, 255231), (9, 141795), (15, 85077), (23, 55485), (27, 47265), (45, 28359), (69, 18495), (81, 15755), (115, 11097), (135, 9453), (137, 9315), (207, 6165), (345, 3699), (405, 3151), (411, 3105), (621, 2055), (685, 1863), (1035, 1233)]