221058831

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1\times {\mathrm{971}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 347493888

約数和(自身を除く): 126435057

約数列:

[1, 3, 7, 21, 37, 111, 259, 293, 777, 879, 971, 2051, 2913, 6153, 6797, 10841, 20391, 32523, 35927, 75887, 107781, 227661, 251489, 284503, 754467, 853509, 1991521, 5974563, 10526611, 31579833, 73686277, 221058831]

約数ペア:

[(1, 221058831), (3, 73686277), (7, 31579833), (21, 10526611), (37, 5974563), (111, 1991521), (259, 853509), (293, 754467), (777, 284503), (879, 251489), (971, 227661), (2051, 107781), (2913, 75887), (6153, 35927), (6797, 32523), (10841, 20391)]