20161718115

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2493719}}^1$

素因数の和:2493752

約数の個数: 48

約数和(自身を含む): 40936907520

約数和(自身を除く): 20775189405

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2695, 8085, 2493719, 7481157, 12468595, 17456033, 27430909, 37405785, 52368099, 82292727, 87280165, 122192231, 137154545, 192016363, 261840495, 366576693, 411463635, 576049089, 610961155, 960081815, 1344114541, 1832883465, 2880245445, 4032343623, 6720572705, 20161718115]

約数ペア:

[(1, 20161718115), (3, 6720572705), (5, 4032343623), (7, 2880245445), (11, 1832883465), (15, 1344114541), (21, 960081815), (33, 610961155), (35, 576049089), (49, 411463635), (55, 366576693), (77, 261840495), (105, 192016363), (147, 137154545), (165, 122192231), (231, 87280165), (245, 82292727), (385, 52368099), (539, 37405785), (735, 27430909), (1155, 17456033), (1617, 12468595), (2695, 7481157), (8085, 2493719)]