18087111

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1153}}^1$

素因数の和:1252

約数の個数: 32

約数和(自身を含む): 31019520

約数和(自身を除く): 12932409

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1153, 1743, 2241, 3459, 5229, 8071, 10377, 15687, 24213, 31131, 72639, 95699, 217917, 287097, 669893, 861291, 2009679, 2583873, 6029037, 18087111]

約数ペア:

[(1, 18087111), (3, 6029037), (7, 2583873), (9, 2009679), (21, 861291), (27, 669893), (63, 287097), (83, 217917), (189, 95699), (249, 72639), (581, 31131), (747, 24213), (1153, 15687), (1743, 10377), (2241, 8071), (3459, 5229)]