51321438

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:459

約数の個数: 80

約数和(自身を含む): 132701184

約数和(自身を除く): 81379746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 167, 189, 271, 334, 378, 501, 542, 567, 813, 1002, 1134, 1169, 1503, 1626, 1897, 2338, 2439, 3006, 3507, 3794, 4509, 4878, 5691, 7014, 7317, 9018, 10521, 11382, 13527, 14634, 17073, 21042, 21951, 27054, 31563, 34146, 43902, 45257, 51219, 63126, 90514, 94689, 102438, 135771, 153657, 189378, 271542, 307314, 316799, 407313, 633598, 814626, 950397, 1221939, 1900794, 2443878, 2851191, 3665817, 5702382, 7331634, 8553573, 17107146, 25660719, 51321438]

約数ペア:

[(1, 51321438), (2, 25660719), (3, 17107146), (6, 8553573), (7, 7331634), (9, 5702382), (14, 3665817), (18, 2851191), (21, 2443878), (27, 1900794), (42, 1221939), (54, 950397), (63, 814626), (81, 633598), (126, 407313), (162, 316799), (167, 307314), (189, 271542), (271, 189378), (334, 153657), (378, 135771), (501, 102438), (542, 94689), (567, 90514), (813, 63126), (1002, 51219), (1134, 45257), (1169, 43902), (1503, 34146), (1626, 31563), (1897, 27054), (2338, 21951), (2439, 21042), (3006, 17073), (3507, 14634), (3794, 13527), (4509, 11382), (4878, 10521), (5691, 9018), (7014, 7317)]