201911319

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{937}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 313367040

約数和(自身を除く): 111455721

約数列:

[1, 3, 9, 23, 27, 69, 207, 347, 621, 937, 1041, 2811, 3123, 7981, 8433, 9369, 21551, 23943, 25299, 64653, 71829, 193959, 215487, 325139, 581877, 975417, 2926251, 7478197, 8778753, 22434591, 67303773, 201911319]

約数ペア:

[(1, 201911319), (3, 67303773), (9, 22434591), (23, 8778753), (27, 7478197), (69, 2926251), (207, 975417), (347, 581877), (621, 325139), (937, 215487), (1041, 193959), (2811, 71829), (3123, 64653), (7981, 25299), (8433, 23943), (9369, 21551)]