78351147

素因数分解:

$3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1493}}^1$

素因数の和:1537

約数の個数: 48

約数和(自身を含む): 139838400

約数和(自身を除く): 61487253

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 343, 357, 441, 833, 1029, 1071, 1493, 2499, 3087, 4479, 5831, 7497, 10451, 13437, 17493, 25381, 31353, 52479, 73157, 76143, 94059, 177667, 219471, 228429, 512099, 533001, 658413, 1243669, 1536297, 1599003, 3731007, 4608891, 8705683, 11193021, 26117049, 78351147]

約数ペア:

[(1, 78351147), (3, 26117049), (7, 11193021), (9, 8705683), (17, 4608891), (21, 3731007), (49, 1599003), (51, 1536297), (63, 1243669), (119, 658413), (147, 533001), (153, 512099), (343, 228429), (357, 219471), (441, 177667), (833, 94059), (1029, 76143), (1071, 73157), (1493, 52479), (2499, 31353), (3087, 25381), (4479, 17493), (5831, 13437), (7497, 10451)]