About the Number

1389328281

1389328280 ← → 1389328282

2進数表記:1010010110011110111011110011001

漢数字表記:十三億八千九百三十二万八千二百八十一

素因数分解:

3 4 × 11 1 × 17 1 × 37 2 × 67 1

素因数の和:181
約数の個数: 120
約数和(自身を含む): 2500587936
約数和(自身を除く): 1111259655

約数列:
[1, 3, 9, 11, 17, 27, 33, 37, 51, 67, 81, 99, 111, 153, 187, 201, 297, 333, 407, 459, 561, 603, 629, 737, 891, 999, 1139, 1221, 1369, 1377, 1683, 1809, 1887, 2211, 2479, 2997, 3417, 3663, 4107, 5049, 5427, 5661, 6633, 6919, 7437, 10251, 10989, 12321, 12529, 15059, 15147, 16983, 19899, 20757, 22311, 23273, 27269, 30753, 32967, 36963, 37587, 42143, 45177, 50949, 59697, 62271, 66933, 69819, 81807, 91723, 92259, 110889, 112761, 126429, 135531, 186813, 200799, 209457, 245421, 256003, 275169, 338283, 379287, 406593, 463573, 560439, 628371, 736263, 768009, 825507, 1008953, 1014849, 1137861, 1219779, 1390719, 1559291, 1885113, 2208789, 2304027, 2476521, 3026859, 3413583, 4172157, 4677873, 6912081, 7429563, 9080577, 12516471, 14033619, 17152201, 20736243, 27241731, 37549413, 42100857, 51456603, 81725193, 126302571, 154369809, 463109427, 1389328281]

約数ペア:
[(1, 1389328281), (3, 463109427), (9, 154369809), (11, 126302571), (17, 81725193), (27, 51456603), (33, 42100857), (37, 37549413), (51, 27241731), (67, 20736243), (81, 17152201), (99, 14033619), (111, 12516471), (153, 9080577), (187, 7429563), (201, 6912081), (297, 4677873), (333, 4172157), (407, 3413583), (459, 3026859), (561, 2476521), (603, 2304027), (629, 2208789), (737, 1885113), (891, 1559291), (999, 1390719), (1139, 1219779), (1221, 1137861), (1369, 1014849), (1377, 1008953), (1683, 825507), (1809, 768009), (1887, 736263), (2211, 628371), (2479, 560439), (2997, 463573), (3417, 406593), (3663, 379287), (4107, 338283), (5049, 275169), (5427, 256003), (5661, 245421), (6633, 209457), (6919, 200799), (7437, 186813), (10251, 135531), (10989, 126429), (12321, 112761), (12529, 110889), (15059, 92259), (15147, 91723), (16983, 81807), (19899, 69819), (20757, 66933), (22311, 62271), (23273, 59697), (27269, 50949), (30753, 45177), (32967, 42143), (36963, 37587)]

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