247029257355

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1\times {\mathrm{542141}}^1$

素因数の和:543007

約数の個数: 32

約数和(自身を含む): 406424340288

約数和(自身を除く): 159395082933

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 821, 2463, 4105, 12315, 30377, 91131, 151885, 455655, 542141, 1626423, 2710705, 8132115, 20059217, 60177651, 100296085, 300888255, 445097761, 1335293283, 2225488805, 6676466415, 16468617157, 49405851471, 82343085785, 247029257355]

約数ペア:

[(1, 247029257355), (3, 82343085785), (5, 49405851471), (15, 16468617157), (37, 6676466415), (111, 2225488805), (185, 1335293283), (555, 445097761), (821, 300888255), (2463, 100296085), (4105, 60177651), (12315, 20059217), (30377, 8132115), (91131, 2710705), (151885, 1626423), (455655, 542141)]