17172729

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1027

約数の個数: 40

約数和(自身を含む): 30294528

約数和(自身を除く): 13121799

約数列:

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

約数ペア:

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