243952641

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{41257}}^1$

素因数の和:41342

約数の個数: 20

約数和(自身を含む): 369424132

約数和(自身を除く): 125471491

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 41257, 123771, 371313, 1113939, 3011761, 3341817, 9035283, 27105849, 81317547, 243952641]

約数ペア:

[(1, 243952641), (3, 81317547), (9, 27105849), (27, 9035283), (73, 3341817), (81, 3011761), (219, 1113939), (657, 371313), (1971, 123771), (5913, 41257)]