331384011

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{30881}}^1$

素因数の和:30971

約数の個数: 24

約数和(自身を含む): 521041104

約数和(自身を除く): 189657093

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 3577, 10731, 30881, 92643, 216167, 648501, 1513169, 2254313, 4539507, 6762939, 15780191, 47340573, 110461337, 331384011]

約数ペア:

[(1, 331384011), (3, 110461337), (7, 47340573), (21, 15780191), (49, 6762939), (73, 4539507), (147, 2254313), (219, 1513169), (511, 648501), (1533, 216167), (3577, 92643), (10731, 30881)]