26706915

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:471

約数の個数: 56

約数和(自身を含む): 50995008

約数和(自身を除く): 24288093

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 431, 459, 729, 765, 1215, 1293, 1377, 2155, 2295, 3645, 3879, 4131, 6465, 6885, 7327, 11637, 12393, 19395, 20655, 21981, 34911, 36635, 58185, 61965, 65943, 104733, 109905, 174555, 197829, 314199, 329715, 523665, 593487, 989145, 1570995, 1780461, 2967435, 5341383, 8902305, 26706915]

約数ペア:

[(1, 26706915), (3, 8902305), (5, 5341383), (9, 2967435), (15, 1780461), (17, 1570995), (27, 989145), (45, 593487), (51, 523665), (81, 329715), (85, 314199), (135, 197829), (153, 174555), (243, 109905), (255, 104733), (405, 65943), (431, 61965), (459, 58185), (729, 36635), (765, 34911), (1215, 21981), (1293, 20655), (1377, 19395), (2155, 12393), (2295, 11637), (3645, 7327), (3879, 6885), (4131, 6465)]