7989993

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 48

約数和(自身を含む): 13703040

約数和(自身を除く): 5713047

約数列:

[1, 3, 9, 11, 23, 29, 33, 69, 87, 99, 121, 207, 253, 261, 319, 363, 667, 759, 957, 1089, 1331, 2001, 2277, 2783, 2871, 3509, 3993, 6003, 7337, 8349, 10527, 11979, 22011, 25047, 30613, 31581, 38599, 66033, 80707, 91839, 115797, 242121, 275517, 347391, 726363, 887777, 2663331, 7989993]

約数ペア:

[(1, 7989993), (3, 2663331), (9, 887777), (11, 726363), (23, 347391), (29, 275517), (33, 242121), (69, 115797), (87, 91839), (99, 80707), (121, 66033), (207, 38599), (253, 31581), (261, 30613), (319, 25047), (363, 22011), (667, 11979), (759, 10527), (957, 8349), (1089, 7337), (1331, 6003), (2001, 3993), (2277, 3509), (2783, 2871)]