68938995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{661}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 117253440

約数和(自身を除く): 48314445

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 409, 661, 1227, 1983, 2045, 3305, 6135, 6953, 9915, 11237, 20859, 33711, 34765, 56185, 104295, 168555, 270349, 811047, 1351745, 4055235, 4595933, 13787799, 22979665, 68938995]

約数ペア:

[(1, 68938995), (3, 22979665), (5, 13787799), (15, 4595933), (17, 4055235), (51, 1351745), (85, 811047), (255, 270349), (409, 168555), (661, 104295), (1227, 56185), (1983, 34765), (2045, 33711), (3305, 20859), (6135, 11237), (6953, 9915)]