18016515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2141}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 36088416

約数和(自身を除く): 18071901

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 495, 561, 765, 935, 1683, 2141, 2805, 6423, 8415, 10705, 19269, 23551, 32115, 36397, 70653, 96345, 109191, 117755, 181985, 211959, 327573, 353265, 400367, 545955, 1059795, 1201101, 1637865, 2001835, 3603303, 6005505, 18016515]

約数ペア:

[(1, 18016515), (3, 6005505), (5, 3603303), (9, 2001835), (11, 1637865), (15, 1201101), (17, 1059795), (33, 545955), (45, 400367), (51, 353265), (55, 327573), (85, 211959), (99, 181985), (153, 117755), (165, 109191), (187, 96345), (255, 70653), (495, 36397), (561, 32115), (765, 23551), (935, 19269), (1683, 10705), (2141, 8415), (2805, 6423)]