210003975

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{18301}}^1$

素因数の和:18337

約数の個数: 48

約数和(自身を含む): 408500640

約数和(自身を除く): 198496665

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 3825, 11475, 18301, 54903, 91505, 164709, 274515, 311117, 457525, 494127, 823545, 933351, 1372575, 1555585, 2470635, 2800053, 4117725, 4666755, 7777925, 8400159, 12353175, 14000265, 23333775, 42000795, 70001325, 210003975]

約数ペア:

[(1, 210003975), (3, 70001325), (5, 42000795), (9, 23333775), (15, 14000265), (17, 12353175), (25, 8400159), (27, 7777925), (45, 4666755), (51, 4117725), (75, 2800053), (85, 2470635), (135, 1555585), (153, 1372575), (225, 933351), (255, 823545), (425, 494127), (459, 457525), (675, 311117), (765, 274515), (1275, 164709), (2295, 91505), (3825, 54903), (11475, 18301)]