15694440021

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7649}}^1$

素因数の和:7771

約数の個数: 72

約数和(自身を含む): 26207064000

約数和(自身を除く): 10512623979

約数列:

[1, 3, 9, 13, 19, 39, 57, 71, 117, 169, 171, 213, 247, 507, 639, 741, 923, 1349, 1521, 2223, 2769, 3211, 4047, 7649, 8307, 9633, 11999, 12141, 17537, 22947, 28899, 35997, 52611, 68841, 99437, 107991, 145331, 157833, 227981, 298311, 435993, 543079, 683943, 894933, 1292681, 1307979, 1629237, 1889303, 2051829, 3878043, 4887711, 5667909, 7060027, 10318501, 11634129, 17003727, 21180081, 24560939, 30955503, 63540243, 73682817, 91780351, 92866509, 134140513, 221048451, 275341053, 402421539, 826023159, 1207264617, 1743826669, 5231480007, 15694440021]

約数ペア:

[(1, 15694440021), (3, 5231480007), (9, 1743826669), (13, 1207264617), (19, 826023159), (39, 402421539), (57, 275341053), (71, 221048451), (117, 134140513), (169, 92866509), (171, 91780351), (213, 73682817), (247, 63540243), (507, 30955503), (639, 24560939), (741, 21180081), (923, 17003727), (1349, 11634129), (1521, 10318501), (2223, 7060027), (2769, 5667909), (3211, 4887711), (4047, 3878043), (7649, 2051829), (8307, 1889303), (9633, 1629237), (11999, 1307979), (12141, 1292681), (17537, 894933), (22947, 683943), (28899, 543079), (35997, 435993), (52611, 298311), (68841, 227981), (99437, 157833), (107991, 145331)]