81750291

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{53327}}^1$

素因数の和:53410

約数の個数: 16

約数和(自身を含む): 126280704

約数和(自身を除く): 44530413

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 53327, 159981, 373289, 1119867, 3892871, 11678613, 27250097, 81750291]

約数ペア:

[(1, 81750291), (3, 27250097), (7, 11678613), (21, 3892871), (73, 1119867), (219, 373289), (511, 159981), (1533, 53327)]