31242141

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 56429568

約数和(自身を除く): 25187427

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 651, 941, 1071, 1581, 1953, 2823, 3689, 4743, 6587, 8469, 11067, 15997, 19761, 29171, 33201, 47991, 59283, 87513, 111979, 143973, 204197, 262539, 335937, 495907, 612591, 1007811, 1487721, 1837773, 3471349, 4463163, 10414047, 31242141]

約数ペア:

[(1, 31242141), (3, 10414047), (7, 4463163), (9, 3471349), (17, 1837773), (21, 1487721), (31, 1007811), (51, 612591), (63, 495907), (93, 335937), (119, 262539), (153, 204197), (217, 143973), (279, 111979), (357, 87513), (527, 59283), (651, 47991), (941, 33201), (1071, 29171), (1581, 19761), (1953, 15997), (2823, 11067), (3689, 8469), (4743, 6587)]