15916851

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 26334720

約数和(自身を除く): 10417869

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 71, 171, 207, 213, 361, 437, 513, 621, 639, 1083, 1311, 1349, 1633, 1917, 3249, 3933, 4047, 4899, 8303, 9747, 11799, 12141, 14697, 24909, 25631, 31027, 36423, 44091, 74727, 76893, 93081, 224181, 230679, 279243, 589513, 692037, 837729, 1768539, 5305617, 15916851]

約数ペア:

[(1, 15916851), (3, 5305617), (9, 1768539), (19, 837729), (23, 692037), (27, 589513), (57, 279243), (69, 230679), (71, 224181), (171, 93081), (207, 76893), (213, 74727), (361, 44091), (437, 36423), (513, 31027), (621, 25631), (639, 24909), (1083, 14697), (1311, 12141), (1349, 11799), (1633, 9747), (1917, 8303), (3249, 4899), (3933, 4047)]