1605123

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 2721600

約数和(自身を除く): 1116477

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 269, 351, 459, 663, 807, 1989, 2421, 3497, 4573, 5967, 7263, 10491, 13719, 31473, 41157, 59449, 94419, 123471, 178347, 535041, 1605123]

約数ペア:

[(1, 1605123), (3, 535041), (9, 178347), (13, 123471), (17, 94419), (27, 59449), (39, 41157), (51, 31473), (117, 13719), (153, 10491), (221, 7263), (269, 5967), (351, 4573), (459, 3497), (663, 2421), (807, 1989)]