621567387

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:373

約数の個数: 96

約数和(自身を含む): 1142968320

約数和(自身を除く): 521400933

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 107, 133, 161, 171, 207, 211, 321, 399, 437, 483, 633, 749, 963, 1197, 1311, 1449, 1477, 1899, 2033, 2247, 2461, 3059, 3933, 4009, 4431, 4853, 6099, 6741, 7383, 9177, 12027, 13293, 14231, 14559, 17227, 18297, 22149, 22577, 27531, 28063, 33971, 36081, 42693, 43677, 46759, 51681, 67731, 84189, 92207, 101913, 128079, 140277, 155043, 158039, 203193, 252567, 276621, 305739, 327313, 420831, 428963, 474117, 519271, 645449, 829863, 981939, 1286889, 1422351, 1557813, 1936347, 2945817, 3002741, 3634897, 3860667, 4673439, 5809041, 9008223, 9866149, 10904691, 27024669, 29598447, 32714073, 69063043, 88795341, 207189129, 621567387]

約数ペア:

[(1, 621567387), (3, 207189129), (7, 88795341), (9, 69063043), (19, 32714073), (21, 29598447), (23, 27024669), (57, 10904691), (63, 9866149), (69, 9008223), (107, 5809041), (133, 4673439), (161, 3860667), (171, 3634897), (207, 3002741), (211, 2945817), (321, 1936347), (399, 1557813), (437, 1422351), (483, 1286889), (633, 981939), (749, 829863), (963, 645449), (1197, 519271), (1311, 474117), (1449, 428963), (1477, 420831), (1899, 327313), (2033, 305739), (2247, 276621), (2461, 252567), (3059, 203193), (3933, 158039), (4009, 155043), (4431, 140277), (4853, 128079), (6099, 101913), (6741, 92207), (7383, 84189), (9177, 67731), (12027, 51681), (13293, 46759), (14231, 43677), (14559, 42693), (17227, 36081), (18297, 33971), (22149, 28063), (22577, 27531)]