30172779

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 57679440

約数和(自身を除く): 27506661

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 91, 117, 133, 147, 171, 247, 273, 277, 399, 441, 637, 741, 819, 831, 931, 1197, 1729, 1911, 1939, 2223, 2493, 2793, 3601, 5187, 5263, 5733, 5817, 8379, 10803, 12103, 13573, 15561, 15789, 17451, 25207, 32409, 36309, 36841, 40719, 47367, 68419, 75621, 108927, 110523, 122157, 176449, 205257, 226863, 257887, 331569, 478933, 529347, 615771, 773661, 1436799, 1588041, 2320983, 3352531, 4310397, 10057593, 30172779]

約数ペア:

[(1, 30172779), (3, 10057593), (7, 4310397), (9, 3352531), (13, 2320983), (19, 1588041), (21, 1436799), (39, 773661), (49, 615771), (57, 529347), (63, 478933), (91, 331569), (117, 257887), (133, 226863), (147, 205257), (171, 176449), (247, 122157), (273, 110523), (277, 108927), (399, 75621), (441, 68419), (637, 47367), (741, 40719), (819, 36841), (831, 36309), (931, 32409), (1197, 25207), (1729, 17451), (1911, 15789), (1939, 15561), (2223, 13573), (2493, 12103), (2793, 10803), (3601, 8379), (5187, 5817), (5263, 5733)]