203423139

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 342351360

約数和(自身を除く): 138928221

約数列:

[1, 3, 9, 17, 19, 29, 51, 57, 87, 127, 153, 171, 261, 323, 361, 381, 493, 551, 969, 1083, 1143, 1479, 1653, 2159, 2413, 2907, 3249, 3683, 4437, 4959, 6137, 6477, 7239, 9367, 10469, 11049, 18411, 19431, 21717, 28101, 31407, 33147, 41021, 45847, 55233, 62611, 69977, 84303, 94221, 123063, 137541, 177973, 187833, 209931, 369189, 412623, 533919, 563499, 629793, 779399, 1189609, 1329563, 1601757, 2338197, 3568827, 3988689, 7014591, 10706481, 11966067, 22602571, 67807713, 203423139]

約数ペア:

[(1, 203423139), (3, 67807713), (9, 22602571), (17, 11966067), (19, 10706481), (29, 7014591), (51, 3988689), (57, 3568827), (87, 2338197), (127, 1601757), (153, 1329563), (171, 1189609), (261, 779399), (323, 629793), (361, 563499), (381, 533919), (493, 412623), (551, 369189), (969, 209931), (1083, 187833), (1143, 177973), (1479, 137541), (1653, 123063), (2159, 94221), (2413, 84303), (2907, 69977), (3249, 62611), (3683, 55233), (4437, 45847), (4959, 41021), (6137, 33147), (6477, 31407), (7239, 28101), (9367, 21717), (10469, 19431), (11049, 18411)]