71005641

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{709}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 114508800

約数和(自身を除く): 43503159

約数列:

[1, 3, 7, 19, 21, 57, 133, 251, 399, 709, 753, 1757, 2127, 4769, 4963, 5271, 13471, 14307, 14889, 33383, 40413, 94297, 100149, 177959, 282891, 533877, 1245713, 3381221, 3737139, 10143663, 23668547, 71005641]

約数ペア:

[(1, 71005641), (3, 23668547), (7, 10143663), (19, 3737139), (21, 3381221), (57, 1245713), (133, 533877), (251, 282891), (399, 177959), (709, 100149), (753, 94297), (1757, 40413), (2127, 33383), (4769, 14889), (4963, 14307), (5271, 13471)]