81103967

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 98496000

約数和(自身を除く): 17392033

約数列:

[1, 7, 31, 49, 107, 217, 499, 749, 1519, 3317, 3493, 5243, 15469, 23219, 24451, 53393, 108283, 162533, 373751, 757981, 1655183, 2616257, 11586281, 81103967]

約数ペア:

[(1, 81103967), (7, 11586281), (31, 2616257), (49, 1655183), (107, 757981), (217, 373751), (499, 162533), (749, 108283), (1519, 53393), (3317, 24451), (3493, 23219), (5243, 15469)]