231373281

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 342696960

約数和(自身を除く): 111323679

約数列:

[1, 3, 17, 29, 51, 73, 87, 219, 493, 1241, 1479, 2117, 2143, 3723, 6351, 6429, 35989, 36431, 62147, 107967, 109293, 156439, 186441, 469317, 1056499, 2659463, 3169497, 4536731, 7978389, 13610193, 77124427, 231373281]

約数ペア:

[(1, 231373281), (3, 77124427), (17, 13610193), (29, 7978389), (51, 4536731), (73, 3169497), (87, 2659463), (219, 1056499), (493, 469317), (1241, 186441), (1479, 156439), (2117, 109293), (2143, 107967), (3723, 62147), (6351, 36431), (6429, 35989)]