201913641

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{443}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 321054624

約数和(自身を除く): 119140983

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 331, 443, 459, 993, 1329, 1377, 2979, 3987, 5627, 7531, 8937, 11961, 16881, 22593, 26811, 35883, 50643, 67779, 146633, 151929, 203337, 439899, 455787, 610011, 1319697, 2492761, 3959091, 7478283, 11877273, 22434849, 67304547, 201913641]

約数ペア:

[(1, 201913641), (3, 67304547), (9, 22434849), (17, 11877273), (27, 7478283), (51, 3959091), (81, 2492761), (153, 1319697), (331, 610011), (443, 455787), (459, 439899), (993, 203337), (1329, 151929), (1377, 146633), (2979, 67779), (3987, 50643), (5627, 35883), (7531, 26811), (8937, 22593), (11961, 16881)]