71805921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 111559680

約数和(自身を除く): 39753759

約数列:

[1, 3, 11, 19, 33, 57, 71, 209, 213, 627, 781, 1349, 1613, 2343, 4047, 4839, 14839, 17743, 30647, 44517, 53229, 91941, 114523, 337117, 343569, 1011351, 1259753, 2175937, 3779259, 6527811, 23935307, 71805921]

約数ペア:

[(1, 71805921), (3, 23935307), (11, 6527811), (19, 3779259), (33, 2175937), (57, 1259753), (71, 1011351), (209, 343569), (213, 337117), (627, 114523), (781, 91941), (1349, 53229), (1613, 44517), (2343, 30647), (4047, 17743), (4839, 14839)]