81996717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1823}}^1$

素因数の和:1913

約数の個数: 32

約数和(自身を含む): 126074880

約数和(自身を除く): 44078163

約数列:

[1, 3, 11, 29, 33, 47, 87, 141, 319, 517, 957, 1363, 1551, 1823, 4089, 5469, 14993, 20053, 44979, 52867, 60159, 85681, 158601, 257043, 581537, 942491, 1744611, 2484749, 2827473, 7454247, 27332239, 81996717]

約数ペア:

[(1, 81996717), (3, 27332239), (11, 7454247), (29, 2827473), (33, 2484749), (47, 1744611), (87, 942491), (141, 581537), (319, 257043), (517, 158601), (957, 85681), (1363, 60159), (1551, 52867), (1823, 44979), (4089, 20053), (5469, 14993)]