25293015

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 49154976

約数和(自身を除く): 23861961

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 99, 111, 165, 185, 333, 407, 495, 555, 1221, 1381, 1665, 2035, 3663, 4143, 6105, 6905, 12429, 15191, 18315, 20715, 45573, 51097, 62145, 75955, 136719, 153291, 227865, 255485, 459873, 562067, 683595, 766455, 1686201, 2299365, 2810335, 5058603, 8431005, 25293015]

約数ペア:

[(1, 25293015), (3, 8431005), (5, 5058603), (9, 2810335), (11, 2299365), (15, 1686201), (33, 766455), (37, 683595), (45, 562067), (55, 459873), (99, 255485), (111, 227865), (165, 153291), (185, 136719), (333, 75955), (407, 62145), (495, 51097), (555, 45573), (1221, 20715), (1381, 18315), (1665, 15191), (2035, 12429), (3663, 6905), (4143, 6105)]