209808225729

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{16417}}^1\times {\mathrm{9281}}^1$

素因数の和:25727

約数の個数: 40

約数和(自身を含む): 331909505928

約数和(自身を除く): 122101280199

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 9281, 16417, 27843, 49251, 83529, 147753, 157777, 250587, 279089, 443259, 473331, 751761, 837267, 1329777, 1419993, 2511801, 4259979, 7535403, 12779937, 22606209, 152366177, 457098531, 1371295593, 2590225009, 4113886779, 7770675027, 12341660337, 23312025081, 69936075243, 209808225729]

約数ペア:

[(1, 209808225729), (3, 69936075243), (9, 23312025081), (17, 12341660337), (27, 7770675027), (51, 4113886779), (81, 2590225009), (153, 1371295593), (459, 457098531), (1377, 152366177), (9281, 22606209), (16417, 12779937), (27843, 7535403), (49251, 4259979), (83529, 2511801), (147753, 1419993), (157777, 1329777), (250587, 837267), (279089, 751761), (443259, 473331)]