2920869

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 4897152

約数和(自身を除く): 1976283

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 653, 1491, 1959, 4473, 4571, 5877, 13713, 41139, 46363, 139089, 324541, 417267, 973623, 2920869]

約数ペア:

[(1, 2920869), (3, 973623), (7, 417267), (9, 324541), (21, 139089), (63, 46363), (71, 41139), (213, 13713), (497, 5877), (639, 4571), (653, 4473), (1491, 1959)]