81691443

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4139}}^1$

素因数の和:4208

約数の個数: 32

約数和(自身を含む): 131155200

約数和(自身を除く): 49463757

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1161, 2193, 4139, 6579, 12417, 19737, 37251, 70363, 111753, 177977, 211089, 533931, 633267, 1601793, 1899801, 3025609, 4805379, 9076827, 27230481, 81691443]

約数ペア:

[(1, 81691443), (3, 27230481), (9, 9076827), (17, 4805379), (27, 3025609), (43, 1899801), (51, 1601793), (129, 633267), (153, 533931), (387, 211089), (459, 177977), (731, 111753), (1161, 70363), (2193, 37251), (4139, 19737), (6579, 12417)]