7904421

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3391}}^1$

素因数の和:3441

約数の個数: 24

約数和(自身を含む): 13405184

約数和(自身を除く): 5500763

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 3391, 10173, 23737, 30519, 71211, 125467, 213633, 376401, 878269, 1129203, 2634807, 7904421]

約数ペア:

[(1, 7904421), (3, 2634807), (7, 1129203), (9, 878269), (21, 376401), (37, 213633), (63, 125467), (111, 71211), (259, 30519), (333, 23737), (777, 10173), (2331, 3391)]