71505987

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179213}}^1$

素因数の和:179242

約数の個数: 16

約数和(自身を含む): 114696960

約数和(自身を除く): 43190973

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 179213, 537639, 1254491, 3405047, 3763473, 10215141, 23835329, 71505987]

約数ペア:

[(1, 71505987), (3, 23835329), (7, 10215141), (19, 3763473), (21, 3405047), (57, 1254491), (133, 537639), (399, 179213)]