71938815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21701}}^1$

素因数の和:21739

約数の個数: 32

約数和(自身を含む): 131253696

約数和(自身を除く): 59314881

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 21701, 65103, 108505, 282113, 325515, 368917, 846339, 1106751, 1410565, 1844585, 4231695, 4795921, 5533755, 14387763, 23979605, 71938815]

約数ペア:

[(1, 71938815), (3, 23979605), (5, 14387763), (13, 5533755), (15, 4795921), (17, 4231695), (39, 1844585), (51, 1410565), (65, 1106751), (85, 846339), (195, 368917), (221, 325515), (255, 282113), (663, 108505), (1105, 65103), (3315, 21701)]