199971747

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{11273}}^1$

素因数の和:11361

約数の個数: 24

約数和(自身を含む): 303676464

約数和(自身を除く): 103704717

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 1971, 5913, 11273, 17739, 33819, 101457, 304371, 822929, 913113, 2468787, 2739339, 7406361, 22219083, 66657249, 199971747]

約数ペア:

[(1, 199971747), (3, 66657249), (9, 22219083), (27, 7406361), (73, 2739339), (81, 2468787), (219, 913113), (243, 822929), (657, 304371), (1971, 101457), (5913, 33819), (11273, 17739)]