71130087

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 121325568

約数和(自身を除く): 50195481

約数列:

[1, 3, 7, 9, 21, 61, 63, 83, 183, 223, 249, 427, 549, 581, 669, 747, 1281, 1561, 1743, 2007, 3843, 4683, 5063, 5229, 13603, 14049, 15189, 18509, 35441, 40809, 45567, 55527, 95221, 106323, 122427, 129563, 166581, 285663, 318969, 388689, 856989, 1129049, 1166067, 3387147, 7903343, 10161441, 23710029, 71130087]

約数ペア:

[(1, 71130087), (3, 23710029), (7, 10161441), (9, 7903343), (21, 3387147), (61, 1166067), (63, 1129049), (83, 856989), (183, 388689), (223, 318969), (249, 285663), (427, 166581), (549, 129563), (581, 122427), (669, 106323), (747, 95221), (1281, 55527), (1561, 45567), (1743, 40809), (2007, 35441), (3843, 18509), (4683, 15189), (5063, 14049), (5229, 13603)]