81046215

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{26881}}^1$

素因数の和:26959

約数の個数: 24

約数和(自身を含む): 142582128

約数和(自身を除く): 61535913

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 26881, 80643, 134405, 241929, 403215, 1209645, 1801027, 5403081, 9005135, 16209243, 27015405, 81046215]

約数ペア:

[(1, 81046215), (3, 27015405), (5, 16209243), (9, 9005135), (15, 5403081), (45, 1801027), (67, 1209645), (201, 403215), (335, 241929), (603, 134405), (1005, 80643), (3015, 26881)]