2019289725

素因数分解:

$3^2\times 5^2\times {\mathrm{1901}}^1\times {\mathrm{4721}}^1$

素因数の和:6638

約数の個数: 36

約数和(自身を含む): 3619441332

約数和(自身を除く): 1600151607

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 1901, 4721, 5703, 9505, 14163, 17109, 23605, 28515, 42489, 47525, 70815, 85545, 118025, 142575, 212445, 354075, 427725, 1062225, 8974621, 26923863, 44873105, 80771589, 134619315, 224365525, 403857945, 673096575, 2019289725]

約数ペア:

[(1, 2019289725), (3, 673096575), (5, 403857945), (9, 224365525), (15, 134619315), (25, 80771589), (45, 44873105), (75, 26923863), (225, 8974621), (1901, 1062225), (4721, 427725), (5703, 354075), (9505, 212445), (14163, 142575), (17109, 118025), (23605, 85545), (28515, 70815), (42489, 47525)]