2491245

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2226195

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 83, 87, 115, 145, 207, 249, 261, 345, 415, 435, 667, 747, 1035, 1245, 1305, 1909, 2001, 2407, 3335, 3735, 5727, 6003, 7221, 9545, 10005, 12035, 17181, 21663, 28635, 30015, 36105, 55361, 85905, 108315, 166083, 276805, 498249, 830415, 2491245]

約数ペア:

[(1, 2491245), (3, 830415), (5, 498249), (9, 276805), (15, 166083), (23, 108315), (29, 85905), (45, 55361), (69, 36105), (83, 30015), (87, 28635), (115, 21663), (145, 17181), (207, 12035), (249, 10005), (261, 9545), (345, 7221), (415, 6003), (435, 5727), (667, 3735), (747, 3335), (1035, 2407), (1245, 2001), (1305, 1909)]