13390515

素因数分解:

$3^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 24530688

約数和(自身を除く): 11140173

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 103, 107, 135, 243, 309, 321, 405, 515, 535, 927, 963, 1215, 1545, 1605, 2781, 2889, 4635, 4815, 8343, 8667, 11021, 13905, 14445, 25029, 26001, 33063, 41715, 43335, 55105, 99189, 125145, 130005, 165315, 297567, 495945, 892701, 1487835, 2678103, 4463505, 13390515]

約数ペア:

[(1, 13390515), (3, 4463505), (5, 2678103), (9, 1487835), (15, 892701), (27, 495945), (45, 297567), (81, 165315), (103, 130005), (107, 125145), (135, 99189), (243, 55105), (309, 43335), (321, 41715), (405, 33063), (515, 26001), (535, 25029), (927, 14445), (963, 13905), (1215, 11021), (1545, 8667), (1605, 8343), (2781, 4815), (2889, 4635)]