13124421

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 21565440

約数和(自身を除く): 8441019

約数列:

[1, 3, 9, 19, 23, 47, 57, 69, 71, 141, 171, 207, 213, 423, 437, 639, 893, 1081, 1311, 1349, 1633, 2679, 3243, 3337, 3933, 4047, 4899, 8037, 9729, 10011, 12141, 14697, 20539, 30033, 31027, 61617, 63403, 76751, 93081, 184851, 190209, 230253, 279243, 570627, 690759, 1458269, 4374807, 13124421]

約数ペア:

[(1, 13124421), (3, 4374807), (9, 1458269), (19, 690759), (23, 570627), (47, 279243), (57, 230253), (69, 190209), (71, 184851), (141, 93081), (171, 76751), (207, 63403), (213, 61617), (423, 31027), (437, 30033), (639, 20539), (893, 14697), (1081, 12141), (1311, 10011), (1349, 9729), (1633, 8037), (2679, 4899), (3243, 4047), (3337, 3933)]