71385489

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 129126400

約数和(自身を除く): 57740911

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 103, 133, 171, 189, 193, 309, 399, 513, 579, 721, 927, 1197, 1351, 1737, 1957, 2163, 2781, 3591, 3667, 4053, 5211, 5871, 6489, 11001, 12159, 13699, 17613, 19467, 19879, 25669, 33003, 36477, 41097, 52839, 59637, 77007, 99009, 123291, 139153, 178911, 231021, 369873, 377701, 417459, 536733, 693063, 1133103, 1252377, 2643907, 3399309, 3757131, 7931721, 10197927, 23795163, 71385489]

約数ペア:

[(1, 71385489), (3, 23795163), (7, 10197927), (9, 7931721), (19, 3757131), (21, 3399309), (27, 2643907), (57, 1252377), (63, 1133103), (103, 693063), (133, 536733), (171, 417459), (189, 377701), (193, 369873), (309, 231021), (399, 178911), (513, 139153), (579, 123291), (721, 99009), (927, 77007), (1197, 59637), (1351, 52839), (1737, 41097), (1957, 36477), (2163, 33003), (2781, 25669), (3591, 19879), (3667, 19467), (4053, 17613), (5211, 13699), (5871, 12159), (6489, 11001)]