400176855

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 120

約数和(自身を含む): 823771872

約数和(自身を除く): 423595017

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 81, 85, 117, 135, 153, 195, 221, 255, 263, 289, 351, 405, 459, 585, 663, 765, 789, 867, 1053, 1105, 1315, 1377, 1445, 1755, 1989, 2295, 2367, 2601, 3315, 3419, 3757, 3945, 4335, 4471, 5265, 5967, 6885, 7101, 7803, 9945, 10257, 11271, 11835, 13005, 13413, 17095, 17901, 18785, 21303, 22355, 23409, 29835, 30771, 33813, 35505, 39015, 40239, 51285, 56355, 58123, 67065, 76007, 89505, 92313, 101439, 106515, 117045, 120717, 153855, 169065, 174369, 201195, 228021, 276939, 290615, 304317, 362151, 380035, 461565, 507195, 523107, 603585, 684063, 871845, 988091, 1140105, 1384695, 1521585, 1569321, 1810755, 2052189, 2615535, 2964273, 3420315, 4707963, 4940455, 6156567, 7846605, 8892819, 10260945, 14821365, 23539815, 26678457, 30782835, 44464095, 80035371, 133392285, 400176855]

約数ペア:

[(1, 400176855), (3, 133392285), (5, 80035371), (9, 44464095), (13, 30782835), (15, 26678457), (17, 23539815), (27, 14821365), (39, 10260945), (45, 8892819), (51, 7846605), (65, 6156567), (81, 4940455), (85, 4707963), (117, 3420315), (135, 2964273), (153, 2615535), (195, 2052189), (221, 1810755), (255, 1569321), (263, 1521585), (289, 1384695), (351, 1140105), (405, 988091), (459, 871845), (585, 684063), (663, 603585), (765, 523107), (789, 507195), (867, 461565), (1053, 380035), (1105, 362151), (1315, 304317), (1377, 290615), (1445, 276939), (1755, 228021), (1989, 201195), (2295, 174369), (2367, 169065), (2601, 153855), (3315, 120717), (3419, 117045), (3757, 106515), (3945, 101439), (4335, 92313), (4471, 89505), (5265, 76007), (5967, 67065), (6885, 58123), (7101, 56355), (7803, 51285), (9945, 40239), (10257, 39015), (11271, 35505), (11835, 33813), (13005, 30771), (13413, 29835), (17095, 23409), (17901, 22355), (18785, 21303)]