81304164

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{21107}}^1$

素因数の和:21224

約数の個数: 36

約数和(自身を含む): 207449424

約数和(自身を除く): 126145260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 21107, 42214, 63321, 84428, 126642, 189963, 253284, 379926, 759852, 2258449, 4516898, 6775347, 9033796, 13550694, 20326041, 27101388, 40652082, 81304164]

約数ペア:

[(1, 81304164), (2, 40652082), (3, 27101388), (4, 20326041), (6, 13550694), (9, 9033796), (12, 6775347), (18, 4516898), (36, 2258449), (107, 759852), (214, 379926), (321, 253284), (428, 189963), (642, 126642), (963, 84428), (1284, 63321), (1926, 42214), (3852, 21107)]