287937279

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 517514400

約数和(自身を除く): 229577121

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 193, 199, 357, 441, 579, 597, 833, 1071, 1351, 1393, 1737, 1791, 2499, 3281, 3383, 4053, 4179, 7497, 9457, 9751, 9843, 10149, 12159, 12537, 22967, 23681, 28371, 29253, 29529, 30447, 38407, 68901, 71043, 85113, 87759, 115221, 160769, 165767, 206703, 213129, 268849, 345663, 482307, 497301, 652919, 806547, 1446921, 1491903, 1881943, 1958757, 2419641, 4570433, 5645829, 5876271, 13711299, 16937487, 31993031, 41133897, 95979093, 287937279]

約数ペア:

[(1, 287937279), (3, 95979093), (7, 41133897), (9, 31993031), (17, 16937487), (21, 13711299), (49, 5876271), (51, 5645829), (63, 4570433), (119, 2419641), (147, 1958757), (153, 1881943), (193, 1491903), (199, 1446921), (357, 806547), (441, 652919), (579, 497301), (597, 482307), (833, 345663), (1071, 268849), (1351, 213129), (1393, 206703), (1737, 165767), (1791, 160769), (2499, 115221), (3281, 87759), (3383, 85113), (4053, 71043), (4179, 68901), (7497, 38407), (9457, 30447), (9751, 29529), (9843, 29253), (10149, 28371), (12159, 23681), (12537, 22967)]