205550865

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39041}}^1$

素因数の和:39071

約数の個数: 40

約数和(自身を含む): 396822888

約数和(自身を除く): 191272023

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 39041, 117123, 195205, 351369, 507533, 585615, 1054107, 1522599, 1756845, 2537665, 3162321, 4567797, 5270535, 7612995, 13703391, 15811605, 22838985, 41110173, 68516955, 205550865]

約数ペア:

[(1, 205550865), (3, 68516955), (5, 41110173), (9, 22838985), (13, 15811605), (15, 13703391), (27, 7612995), (39, 5270535), (45, 4567797), (65, 3162321), (81, 2537665), (117, 1756845), (135, 1522599), (195, 1054107), (351, 585615), (405, 507533), (585, 351369), (1053, 195205), (1755, 117123), (5265, 39041)]