1620136917

素因数分解:

$3^3\times 7^1\times {\mathrm{1913}}^1\times {\mathrm{4481}}^1$

素因数の和:6410

約数の個数: 32

約数和(自身を含む): 2745135360

約数和(自身を除く): 1124998443

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1913, 4481, 5739, 13391, 13443, 17217, 31367, 40173, 40329, 51651, 94101, 120519, 120987, 282303, 361557, 846909, 8572153, 25716459, 60005071, 77149377, 180015213, 231448131, 540045639, 1620136917]

約数ペア:

[(1, 1620136917), (3, 540045639), (7, 231448131), (9, 180015213), (21, 77149377), (27, 60005071), (63, 25716459), (189, 8572153), (1913, 846909), (4481, 361557), (5739, 282303), (13391, 120987), (13443, 120519), (17217, 94101), (31367, 51651), (40173, 40329)]