2990115

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 5660928

約数和(自身を除く): 2670813

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 107, 115, 135, 207, 243, 321, 345, 405, 535, 621, 963, 1035, 1215, 1605, 1863, 2461, 2889, 3105, 4815, 5589, 7383, 8667, 9315, 12305, 14445, 22149, 26001, 27945, 36915, 43335, 66447, 110745, 130005, 199341, 332235, 598023, 996705, 2990115]

約数ペア:

[(1, 2990115), (3, 996705), (5, 598023), (9, 332235), (15, 199341), (23, 130005), (27, 110745), (45, 66447), (69, 43335), (81, 36915), (107, 27945), (115, 26001), (135, 22149), (207, 14445), (243, 12305), (321, 9315), (345, 8667), (405, 7383), (535, 5589), (621, 4815), (963, 3105), (1035, 2889), (1215, 2461), (1605, 1863)]