81125807

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 100859904

約数和(自身を除く): 19734097

約数列:

[1, 7, 23, 47, 71, 151, 161, 329, 497, 1057, 1081, 1633, 3337, 3473, 7097, 7567, 10721, 11431, 23359, 24311, 49679, 75047, 76751, 163231, 246583, 503887, 537257, 1142617, 1726081, 3527209, 11589401, 81125807]

約数ペア:

[(1, 81125807), (7, 11589401), (23, 3527209), (47, 1726081), (71, 1142617), (151, 537257), (161, 503887), (329, 246583), (497, 163231), (1057, 76751), (1081, 75047), (1633, 49679), (3337, 24311), (3473, 23359), (7097, 11431), (7567, 10721)]