221207007

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{1231}}^1$

素因数の和:1483

約数の個数: 32

約数和(自身を含む): 346931200

約数和(自身を除く): 125724193

約数列:

[1, 3, 7, 21, 43, 129, 199, 301, 597, 903, 1231, 1393, 3693, 4179, 8557, 8617, 25671, 25851, 52933, 59899, 158799, 179697, 244969, 370531, 734907, 1111593, 1714783, 5144349, 10533667, 31601001, 73735669, 221207007]

約数ペア:

[(1, 221207007), (3, 73735669), (7, 31601001), (21, 10533667), (43, 5144349), (129, 1714783), (199, 1111593), (301, 734907), (597, 370531), (903, 244969), (1231, 179697), (1393, 158799), (3693, 59899), (4179, 52933), (8557, 25851), (8617, 25671)]