131738229

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{701}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 230705280

約数和(自身を除く): 98967051

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 157, 171, 399, 471, 701, 1099, 1197, 1413, 2103, 2983, 3297, 4907, 6309, 8949, 9891, 13319, 14721, 20881, 26847, 39957, 44163, 62643, 93233, 110057, 119871, 187929, 279699, 330171, 770399, 839097, 990513, 2091083, 2311197, 6273249, 6933591, 14637581, 18819747, 43912743, 131738229]

約数ペア:

[(1, 131738229), (3, 43912743), (7, 18819747), (9, 14637581), (19, 6933591), (21, 6273249), (57, 2311197), (63, 2091083), (133, 990513), (157, 839097), (171, 770399), (399, 330171), (471, 279699), (701, 187929), (1099, 119871), (1197, 110057), (1413, 93233), (2103, 62643), (2983, 44163), (3297, 39957), (4907, 26847), (6309, 20881), (8949, 14721), (9891, 13319)]