131211306

素因数分解:

$2^1\times 3^3\times {\mathrm{113}}^1\times {\mathrm{21503}}^1$

素因数の和:21627

約数の個数: 32

約数和(自身を含む): 294174720

約数和(自身を除く): 162963414

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 113, 226, 339, 678, 1017, 2034, 3051, 6102, 21503, 43006, 64509, 129018, 193527, 387054, 580581, 1161162, 2429839, 4859678, 7289517, 14579034, 21868551, 43737102, 65605653, 131211306]

約数ペア:

[(1, 131211306), (2, 65605653), (3, 43737102), (6, 21868551), (9, 14579034), (18, 7289517), (27, 4859678), (54, 2429839), (113, 1161162), (226, 580581), (339, 387054), (678, 193527), (1017, 129018), (2034, 64509), (3051, 43006), (6102, 21503)]