78637725

素因数分解:

$3^2\times 5^2\times {\mathrm{373}}^1\times {\mathrm{937}}^1$

素因数の和:1326

約数の個数: 36

約数和(自身を含む): 141377236

約数和(自身を除く): 62739511

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 373, 937, 1119, 1865, 2811, 3357, 4685, 5595, 8433, 9325, 14055, 16785, 23425, 27975, 42165, 70275, 83925, 210825, 349501, 1048503, 1747505, 3145509, 5242515, 8737525, 15727545, 26212575, 78637725]

約数ペア:

[(1, 78637725), (3, 26212575), (5, 15727545), (9, 8737525), (15, 5242515), (25, 3145509), (45, 1747505), (75, 1048503), (225, 349501), (373, 210825), (937, 83925), (1119, 70275), (1865, 42165), (2811, 27975), (3357, 23425), (4685, 16785), (5595, 14055), (8433, 9325)]