81136617

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 116785152

約数和(自身を除く): 35648535

約数列:

[1, 3, 23, 47, 69, 127, 141, 197, 381, 591, 1081, 2921, 3243, 4531, 5969, 8763, 9259, 13593, 17907, 25019, 27777, 75057, 137287, 212957, 411861, 575437, 638871, 1175893, 1726311, 3527679, 27045539, 81136617]

約数ペア:

[(1, 81136617), (3, 27045539), (23, 3527679), (47, 1726311), (69, 1175893), (127, 638871), (141, 575437), (197, 411861), (381, 212957), (591, 137287), (1081, 75057), (2921, 27777), (3243, 25019), (4531, 17907), (5969, 13593), (8763, 9259)]