68780745

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15439}}^1$

素因数の和:15467

約数の個数: 40

約数和(自身を含む): 134513280

約数和(自身を除く): 65732535

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 15439, 46317, 77195, 138951, 169829, 231585, 416853, 509487, 694755, 849145, 1250559, 1528461, 2084265, 2547435, 4585383, 6252795, 7642305, 13756149, 22926915, 68780745]

約数ペア:

[(1, 68780745), (3, 22926915), (5, 13756149), (9, 7642305), (11, 6252795), (15, 4585383), (27, 2547435), (33, 2084265), (45, 1528461), (55, 1250559), (81, 849145), (99, 694755), (135, 509487), (165, 416853), (297, 231585), (405, 169829), (495, 138951), (891, 77195), (1485, 46317), (4455, 15439)]