208753425

素因数分解:

$3^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{2803}}^1$

素因数の和:3150

約数の個数: 36

約数和(自身を含む): 375163984

約数和(自身を除く): 166410559

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 331, 993, 1655, 2803, 2979, 4965, 8275, 8409, 14015, 14895, 24825, 25227, 42045, 70075, 74475, 126135, 210225, 630675, 927793, 2783379, 4638965, 8350137, 13916895, 23194825, 41750685, 69584475, 208753425]

約数ペア:

[(1, 208753425), (3, 69584475), (5, 41750685), (9, 23194825), (15, 13916895), (25, 8350137), (45, 4638965), (75, 2783379), (225, 927793), (331, 630675), (993, 210225), (1655, 126135), (2803, 74475), (2979, 70075), (4965, 42045), (8275, 25227), (8409, 24825), (14015, 14895)]