71780295

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 116928000

約数和(自身を除く): 45147705

約数列:

[1, 3, 5, 15, 139, 173, 199, 417, 519, 597, 695, 865, 995, 2085, 2595, 2985, 24047, 27661, 34427, 72141, 82983, 103281, 120235, 138305, 172135, 360705, 414915, 516405, 4785353, 14356059, 23926765, 71780295]

約数ペア:

[(1, 71780295), (3, 23926765), (5, 14356059), (15, 4785353), (139, 516405), (173, 414915), (199, 360705), (417, 172135), (519, 138305), (597, 120235), (695, 103281), (865, 82983), (995, 72141), (2085, 34427), (2595, 27661), (2985, 24047)]