2979075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 5642496

約数和(自身を除く): 2663421

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 157, 165, 253, 275, 345, 471, 575, 759, 785, 825, 1265, 1725, 1727, 2355, 3611, 3795, 3925, 5181, 6325, 8635, 10833, 11775, 18055, 18975, 25905, 39721, 43175, 54165, 90275, 119163, 129525, 198605, 270825, 595815, 993025, 2979075]

約数ペア:

[(1, 2979075), (3, 993025), (5, 595815), (11, 270825), (15, 198605), (23, 129525), (25, 119163), (33, 90275), (55, 54165), (69, 43175), (75, 39721), (115, 25905), (157, 18975), (165, 18055), (253, 11775), (275, 10833), (345, 8635), (471, 6325), (575, 5181), (759, 3925), (785, 3795), (825, 3611), (1265, 2355), (1725, 1727)]