9887171

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 12432384

約数和(自身を除く): 2545213

約数列:

[1, 7, 23, 31, 49, 161, 217, 283, 713, 1127, 1519, 1981, 4991, 6509, 8773, 13867, 34937, 45563, 61411, 201779, 318941, 429877, 1412453, 9887171]

約数ペア:

[(1, 9887171), (7, 1412453), (23, 429877), (31, 318941), (49, 201779), (161, 61411), (217, 45563), (283, 34937), (713, 13867), (1127, 8773), (1519, 6509), (1981, 4991)]