40072401

素因数分解:

$3^7\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 61165440

約数和(自身を除く): 21093039

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 251, 657, 729, 753, 1971, 2187, 2259, 5913, 6777, 17739, 18323, 20331, 53217, 54969, 60993, 159651, 164907, 182979, 494721, 548937, 1484163, 4452489, 13357467, 40072401]

約数ペア:

[(1, 40072401), (3, 13357467), (9, 4452489), (27, 1484163), (73, 548937), (81, 494721), (219, 182979), (243, 164907), (251, 159651), (657, 60993), (729, 54969), (753, 53217), (1971, 20331), (2187, 18323), (2259, 17739), (5913, 6777)]