9974601

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 18695040

約数和(自身を除く): 8720439

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 641, 741, 819, 1197, 1729, 1923, 2223, 4487, 5187, 5769, 8333, 12179, 13461, 15561, 24999, 36537, 40383, 58331, 74997, 85253, 109611, 158327, 174993, 255759, 474981, 524979, 767277, 1108289, 1424943, 3324867, 9974601]

約数ペア:

[(1, 9974601), (3, 3324867), (7, 1424943), (9, 1108289), (13, 767277), (19, 524979), (21, 474981), (39, 255759), (57, 174993), (63, 158327), (91, 109611), (117, 85253), (133, 74997), (171, 58331), (247, 40383), (273, 36537), (399, 24999), (641, 15561), (741, 13461), (819, 12179), (1197, 8333), (1729, 5769), (1923, 5187), (2223, 4487)]