28937655

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:507

約数の個数: 56

約数和(自身を含む): 55244592

約数和(自身を除く): 26306937

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 467, 729, 765, 1215, 1377, 1401, 2295, 2335, 3645, 4131, 4203, 6885, 7005, 7939, 12393, 12609, 20655, 21015, 23817, 37827, 39695, 61965, 63045, 71451, 113481, 119085, 189135, 214353, 340443, 357255, 567405, 643059, 1071765, 1702215, 1929177, 3215295, 5787531, 9645885, 28937655]

約数ペア:

[(1, 28937655), (3, 9645885), (5, 5787531), (9, 3215295), (15, 1929177), (17, 1702215), (27, 1071765), (45, 643059), (51, 567405), (81, 357255), (85, 340443), (135, 214353), (153, 189135), (243, 119085), (255, 113481), (405, 71451), (459, 63045), (467, 61965), (729, 39695), (765, 37827), (1215, 23817), (1377, 21015), (1401, 20655), (2295, 12609), (2335, 12393), (3645, 7939), (4131, 7005), (4203, 6885)]