1988045397

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{28751}}^1$

素因数の和:28970

約数の個数: 32

約数和(自身を含む): 3188021760

約数和(自身を除く): 1199976363

約数列:

[1, 3, 9, 13, 27, 39, 117, 197, 351, 591, 1773, 2561, 5319, 7683, 23049, 28751, 69147, 86253, 258759, 373763, 776277, 1121289, 3363867, 5663947, 10091601, 16991841, 50975523, 73631311, 152926569, 220893933, 662681799, 1988045397]

約数ペア:

[(1, 1988045397), (3, 662681799), (9, 220893933), (13, 152926569), (27, 73631311), (39, 50975523), (117, 16991841), (197, 10091601), (351, 5663947), (591, 3363867), (1773, 1121289), (2561, 776277), (5319, 373763), (7683, 258759), (23049, 86253), (28751, 69147)]