81943419

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 116444160

約数和(自身を除く): 34500741

約数列:

[1, 3, 37, 47, 111, 113, 139, 141, 339, 417, 1739, 4181, 5143, 5217, 5311, 6533, 12543, 15429, 15707, 15933, 19599, 47121, 196507, 241721, 581159, 589521, 725163, 738229, 1743477, 2214687, 27314473, 81943419]

約数ペア:

[(1, 81943419), (3, 27314473), (37, 2214687), (47, 1743477), (111, 738229), (113, 725163), (139, 589521), (141, 581159), (339, 241721), (417, 196507), (1739, 47121), (4181, 19599), (5143, 15933), (5217, 15707), (5311, 15429), (6533, 12543)]