161777209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{4789}}^1$

素因数の和:4920

約数の個数: 16

約数和(自身を含む): 183476160

約数和(自身を除く): 21698951

約数列:

[1, 11, 37, 83, 407, 913, 3071, 4789, 33781, 52679, 177193, 397487, 1949123, 4372357, 14707019, 161777209]

約数ペア:

[(1, 161777209), (11, 14707019), (37, 4372357), (83, 1949123), (407, 397487), (913, 177193), (3071, 52679), (4789, 33781)]