13791981

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{5519}}^1$

素因数の和:5553

約数の個数: 24

約数和(自身を含む): 22654080

約数和(自身を除く): 8862099

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 5519, 16557, 38633, 93823, 115899, 270431, 281469, 656761, 811293, 1970283, 4597327, 13791981]

約数ペア:

[(1, 13791981), (3, 4597327), (7, 1970283), (17, 811293), (21, 656761), (49, 281469), (51, 270431), (119, 115899), (147, 93823), (357, 38633), (833, 16557), (2499, 5519)]