16994493

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 28080000

約数和(自身を除く): 11085507

約数列:

[1, 3, 9, 19, 23, 29, 57, 69, 87, 149, 171, 207, 261, 437, 447, 551, 667, 1311, 1341, 1653, 2001, 2831, 3427, 3933, 4321, 4959, 6003, 8493, 10281, 12673, 12963, 25479, 30843, 38019, 38889, 65113, 82099, 99383, 114057, 195339, 246297, 298149, 586017, 738891, 894447, 1888277, 5664831, 16994493]

約数ペア:

[(1, 16994493), (3, 5664831), (9, 1888277), (19, 894447), (23, 738891), (29, 586017), (57, 298149), (69, 246297), (87, 195339), (149, 114057), (171, 99383), (207, 82099), (261, 65113), (437, 38889), (447, 38019), (551, 30843), (667, 25479), (1311, 12963), (1341, 12673), (1653, 10281), (2001, 8493), (2831, 6003), (3427, 4959), (3933, 4321)]