201021456951

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{249341}}^1$

素因数の和:249612

約数の個数: 48

約数和(自身を含む): 338562551808

約数和(自身を除く): 137541094857

約数列:

[1, 3, 7, 9, 21, 63, 67, 191, 201, 469, 573, 603, 1337, 1407, 1719, 4011, 4221, 12033, 12797, 38391, 89579, 115173, 249341, 268737, 748023, 806211, 1745387, 2244069, 5236161, 15708483, 16705847, 47624131, 50117541, 116940929, 142872393, 150352623, 333368917, 350822787, 428617179, 1000106751, 1052468361, 3000320253, 3190816777, 9572450331, 22335717439, 28717350993, 67007152317, 201021456951]

約数ペア:

[(1, 201021456951), (3, 67007152317), (7, 28717350993), (9, 22335717439), (21, 9572450331), (63, 3190816777), (67, 3000320253), (191, 1052468361), (201, 1000106751), (469, 428617179), (573, 350822787), (603, 333368917), (1337, 150352623), (1407, 142872393), (1719, 116940929), (4011, 50117541), (4221, 47624131), (12033, 16705847), (12797, 15708483), (38391, 5236161), (89579, 2244069), (115173, 1745387), (249341, 806211), (268737, 748023)]