261495

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 504000

約数和(自身を除く): 242505

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 149, 195, 351, 447, 585, 745, 1341, 1755, 1937, 2235, 4023, 5811, 6705, 9685, 17433, 20115, 29055, 52299, 87165, 261495]

約数ペア:

[(1, 261495), (3, 87165), (5, 52299), (9, 29055), (13, 20115), (15, 17433), (27, 9685), (39, 6705), (45, 5811), (65, 4023), (117, 2235), (135, 1937), (149, 1755), (195, 1341), (351, 745), (447, 585)]