12789819

素因数分解:

$3^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 22410752

約数和(自身を除く): 9620933

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 103, 189, 219, 243, 309, 511, 567, 657, 721, 927, 1533, 1701, 1971, 2163, 2781, 4599, 5913, 6489, 7519, 8343, 13797, 17739, 19467, 22557, 25029, 41391, 52633, 58401, 67671, 124173, 157899, 175203, 203013, 473697, 609039, 1421091, 1827117, 4263273, 12789819]

約数ペア:

[(1, 12789819), (3, 4263273), (7, 1827117), (9, 1421091), (21, 609039), (27, 473697), (63, 203013), (73, 175203), (81, 157899), (103, 124173), (189, 67671), (219, 58401), (243, 52633), (309, 41391), (511, 25029), (567, 22557), (657, 19467), (721, 17739), (927, 13797), (1533, 8343), (1701, 7519), (1971, 6489), (2163, 5913), (2781, 4599)]