65540745

素因数分解:

$3^6\times 5^1\times {\mathrm{17981}}^1$

素因数の和:18004

約数の個数: 28

約数和(自身を含む): 117925956

約数和(自身を除く): 52385211

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 17981, 53943, 89905, 161829, 269715, 485487, 809145, 1456461, 2427435, 4369383, 7282305, 13108149, 21846915, 65540745]

約数ペア:

[(1, 65540745), (3, 21846915), (5, 13108149), (9, 7282305), (15, 4369383), (27, 2427435), (45, 1456461), (81, 809145), (135, 485487), (243, 269715), (405, 161829), (729, 89905), (1215, 53943), (3645, 17981)]