425385

素因数分解:

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

素因数の和:174

約数の個数: 32

約数和(自身を含む): 794880

約数和(自身を除く): 369495

約数列:

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

約数ペア:

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