2016990285

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{8431}}^1$

素因数の和:8869

約数の個数: 32

約数和(自身を含む): 3314787840

約数和(自身を除く): 1297797555

約数列:

[1, 3, 5, 15, 41, 123, 205, 389, 615, 1167, 1945, 5835, 8431, 15949, 25293, 42155, 47847, 79745, 126465, 239235, 345671, 1037013, 1728355, 3279659, 5185065, 9838977, 16398295, 49194885, 134466019, 403398057, 672330095, 2016990285]

約数ペア:

[(1, 2016990285), (3, 672330095), (5, 403398057), (15, 134466019), (41, 49194885), (123, 16398295), (205, 9838977), (389, 5185065), (615, 3279659), (1167, 1728355), (1945, 1037013), (5835, 345671), (8431, 239235), (15949, 126465), (25293, 79745), (42155, 47847)]