51565815

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 112

約数和(自身を含む): 110803968

約数和(自身を除く): 59238153

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 47, 63, 81, 105, 129, 135, 141, 189, 215, 235, 243, 301, 315, 329, 387, 405, 423, 567, 645, 705, 729, 903, 945, 987, 1161, 1215, 1269, 1505, 1645, 1701, 1935, 2021, 2115, 2709, 2835, 2961, 3483, 3645, 3807, 4515, 4935, 5103, 5805, 6063, 6345, 8127, 8505, 8883, 10105, 10449, 11421, 13545, 14147, 14805, 17415, 18189, 19035, 24381, 25515, 26649, 30315, 31347, 34263, 40635, 42441, 44415, 52245, 54567, 57105, 70735, 73143, 79947, 90945, 121905, 127323, 133245, 156735, 163701, 171315, 212205, 219429, 239841, 272835, 365715, 381969, 399735, 491103, 636615, 818505, 1097145, 1145907, 1199205, 1473309, 1909845, 2455515, 3437721, 5729535, 7366545, 10313163, 17188605, 51565815]

約数ペア:

[(1, 51565815), (3, 17188605), (5, 10313163), (7, 7366545), (9, 5729535), (15, 3437721), (21, 2455515), (27, 1909845), (35, 1473309), (43, 1199205), (45, 1145907), (47, 1097145), (63, 818505), (81, 636615), (105, 491103), (129, 399735), (135, 381969), (141, 365715), (189, 272835), (215, 239841), (235, 219429), (243, 212205), (301, 171315), (315, 163701), (329, 156735), (387, 133245), (405, 127323), (423, 121905), (567, 90945), (645, 79947), (705, 73143), (729, 70735), (903, 57105), (945, 54567), (987, 52245), (1161, 44415), (1215, 42441), (1269, 40635), (1505, 34263), (1645, 31347), (1701, 30315), (1935, 26649), (2021, 25515), (2115, 24381), (2709, 19035), (2835, 18189), (2961, 17415), (3483, 14805), (3645, 14147), (3807, 13545), (4515, 11421), (4935, 10449), (5103, 10105), (5805, 8883), (6063, 8505), (6345, 8127)]