678480003

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{491}}^1\times {\mathrm{839}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 1024934400

約数和(自身を除く): 346454397

約数列:

[1, 3, 9, 27, 61, 183, 491, 549, 839, 1473, 1647, 2517, 4419, 7551, 13257, 22653, 29951, 51179, 89853, 153537, 269559, 411949, 460611, 808677, 1235847, 1381833, 3707541, 11122623, 25128889, 75386667, 226160001, 678480003]

約数ペア:

[(1, 678480003), (3, 226160001), (9, 75386667), (27, 25128889), (61, 11122623), (183, 3707541), (491, 1381833), (549, 1235847), (839, 808677), (1473, 460611), (1647, 411949), (2517, 269559), (4419, 153537), (7551, 89853), (13257, 51179), (22653, 29951)]