40958865

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:701

約数の個数: 56

約数和(自身を含む): 78145128

約数和(自身を除く): 37186263

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 661, 729, 765, 1215, 1377, 1983, 2295, 3305, 3645, 4131, 5949, 6885, 9915, 11237, 12393, 17847, 20655, 29745, 33711, 53541, 56185, 61965, 89235, 101133, 160623, 168555, 267705, 303399, 481869, 505665, 803115, 910197, 1516995, 2409345, 2730591, 4550985, 8191773, 13652955, 40958865]

約数ペア:

[(1, 40958865), (3, 13652955), (5, 8191773), (9, 4550985), (15, 2730591), (17, 2409345), (27, 1516995), (45, 910197), (51, 803115), (81, 505665), (85, 481869), (135, 303399), (153, 267705), (243, 168555), (255, 160623), (405, 101133), (459, 89235), (661, 61965), (729, 56185), (765, 53541), (1215, 33711), (1377, 29745), (1983, 20655), (2295, 17847), (3305, 12393), (3645, 11237), (4131, 9915), (5949, 6885)]