71840385

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1415

約数の個数: 64

約数和(自身を含む): 141212160

約数和(自身を除く): 69371775

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 85, 115, 135, 153, 207, 255, 345, 391, 459, 621, 765, 1035, 1173, 1361, 1955, 2295, 3105, 3519, 4083, 5865, 6805, 10557, 12249, 17595, 20415, 23137, 31303, 36747, 52785, 61245, 69411, 93909, 115685, 156515, 183735, 208233, 281727, 347055, 469545, 532151, 624699, 845181, 1041165, 1408635, 1596453, 2660755, 3123495, 4225905, 4789359, 7982265, 14368077, 23946795, 71840385]

約数ペア:

[(1, 71840385), (3, 23946795), (5, 14368077), (9, 7982265), (15, 4789359), (17, 4225905), (23, 3123495), (27, 2660755), (45, 1596453), (51, 1408635), (69, 1041165), (85, 845181), (115, 624699), (135, 532151), (153, 469545), (207, 347055), (255, 281727), (345, 208233), (391, 183735), (459, 156515), (621, 115685), (765, 93909), (1035, 69411), (1173, 61245), (1361, 52785), (1955, 36747), (2295, 31303), (3105, 23137), (3519, 20415), (4083, 17595), (5865, 12249), (6805, 10557)]