51666447

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{36721}}^1$

素因数の和:36798

約数の個数: 16

約数和(自身を含む): 79907072

約数和(自身を除く): 28240625

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 36721, 110163, 257047, 771141, 2460307, 7380921, 17222149, 51666447]

約数ペア:

[(1, 51666447), (3, 17222149), (7, 7380921), (21, 2460307), (67, 771141), (201, 257047), (469, 110163), (1407, 36721)]