13161681

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 21979776

約数和(自身を除く): 8818095

約数列:

[1, 3, 9, 13, 23, 39, 67, 69, 73, 117, 201, 207, 219, 299, 603, 657, 871, 897, 949, 1541, 1679, 2613, 2691, 2847, 4623, 4891, 5037, 7839, 8541, 13869, 14673, 15111, 20033, 21827, 44019, 60099, 63583, 65481, 112493, 180297, 190749, 196443, 337479, 572247, 1012437, 1462409, 4387227, 13161681]

約数ペア:

[(1, 13161681), (3, 4387227), (9, 1462409), (13, 1012437), (23, 572247), (39, 337479), (67, 196443), (69, 190749), (73, 180297), (117, 112493), (201, 65481), (207, 63583), (219, 60099), (299, 44019), (603, 21827), (657, 20033), (871, 15111), (897, 14673), (949, 13869), (1541, 8541), (1679, 7839), (2613, 5037), (2691, 4891), (2847, 4623)]