2786511

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 4677120

約数和(自身を除く): 1890609

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 173, 177, 273, 413, 519, 767, 1211, 1239, 2249, 2301, 3633, 5369, 6747, 10207, 15743, 16107, 30621, 47229, 71449, 132691, 214347, 398073, 928837, 2786511]

約数ペア:

[(1, 2786511), (3, 928837), (7, 398073), (13, 214347), (21, 132691), (39, 71449), (59, 47229), (91, 30621), (173, 16107), (177, 15743), (273, 10207), (413, 6747), (519, 5369), (767, 3633), (1211, 2301), (1239, 2249)]