51518187

素因数分解:

$3^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 91133952

約数和(自身を除く): 39615765

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 243, 279, 567, 651, 837, 977, 1701, 1953, 2511, 2931, 5859, 6839, 7533, 8793, 17577, 20517, 26379, 30287, 52731, 61551, 79137, 90861, 184653, 212009, 237411, 272583, 553959, 636027, 817749, 1661877, 1908081, 2453247, 5724243, 7359741, 17172729, 51518187]

約数ペア:

[(1, 51518187), (3, 17172729), (7, 7359741), (9, 5724243), (21, 2453247), (27, 1908081), (31, 1661877), (63, 817749), (81, 636027), (93, 553959), (189, 272583), (217, 237411), (243, 212009), (279, 184653), (567, 90861), (651, 79137), (837, 61551), (977, 52731), (1701, 30287), (1953, 26379), (2511, 20517), (2931, 17577), (5859, 8793), (6839, 7533)]