205744545

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1451}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 375103872

約数和(自身を除く): 169359327

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 137, 207, 345, 411, 685, 1035, 1233, 1451, 2055, 3151, 4353, 6165, 7255, 9453, 13059, 15755, 21765, 28359, 33373, 47265, 65295, 100119, 141795, 166865, 198787, 300357, 500595, 596361, 993935, 1501785, 1789083, 2981805, 4572101, 8945415, 13716303, 22860505, 41148909, 68581515, 205744545]

約数ペア:

[(1, 205744545), (3, 68581515), (5, 41148909), (9, 22860505), (15, 13716303), (23, 8945415), (45, 4572101), (69, 2981805), (115, 1789083), (137, 1501785), (207, 993935), (345, 596361), (411, 500595), (685, 300357), (1035, 198787), (1233, 166865), (1451, 141795), (2055, 100119), (3151, 65295), (4353, 47265), (6165, 33373), (7255, 28359), (9453, 21765), (13059, 15755)]