157772181

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{10687}}^1$

素因数の和:10753

約数の個数: 32

約数和(自身を含む): 259932160

約数和(自身を除く): 102159979

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4921, 10687, 14763, 32061, 74809, 203053, 224427, 395419, 609159, 1186257, 1421371, 2767933, 4264113, 7512961, 8303799, 22538883, 52590727, 157772181]

約数ペア:

[(1, 157772181), (3, 52590727), (7, 22538883), (19, 8303799), (21, 7512961), (37, 4264113), (57, 2767933), (111, 1421371), (133, 1186257), (259, 609159), (399, 395419), (703, 224427), (777, 203053), (2109, 74809), (4921, 32061), (10687, 14763)]