39947535

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 74355840

約数和(自身を除く): 34408305

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 79, 85, 153, 237, 255, 395, 661, 711, 765, 1185, 1343, 1983, 3305, 3555, 4029, 5949, 6715, 9915, 11237, 12087, 20145, 29745, 33711, 52219, 56185, 60435, 101133, 156657, 168555, 261095, 469971, 505665, 783285, 887723, 2349855, 2663169, 4438615, 7989507, 13315845, 39947535]

約数ペア:

[(1, 39947535), (3, 13315845), (5, 7989507), (9, 4438615), (15, 2663169), (17, 2349855), (45, 887723), (51, 783285), (79, 505665), (85, 469971), (153, 261095), (237, 168555), (255, 156657), (395, 101133), (661, 60435), (711, 56185), (765, 52219), (1185, 33711), (1343, 29745), (1983, 20145), (3305, 12087), (3555, 11237), (4029, 9915), (5949, 6715)]