3920319

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 6787872

約数和(自身を除く): 2867553

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 73, 81, 117, 153, 219, 221, 243, 351, 459, 657, 663, 949, 1053, 1241, 1377, 1971, 1989, 2847, 3159, 3723, 4131, 5913, 5967, 8541, 11169, 16133, 17739, 17901, 25623, 33507, 48399, 53703, 76869, 100521, 145197, 230607, 301563, 435591, 1306773, 3920319]

約数ペア:

[(1, 3920319), (3, 1306773), (9, 435591), (13, 301563), (17, 230607), (27, 145197), (39, 100521), (51, 76869), (73, 53703), (81, 48399), (117, 33507), (153, 25623), (219, 17901), (221, 17739), (243, 16133), (351, 11169), (459, 8541), (657, 5967), (663, 5913), (949, 4131), (1053, 3723), (1241, 3159), (1377, 2847), (1971, 1989)]