31391727

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{503}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 42674688

約数和(自身を除く): 11282961

約数列:

[1, 3, 71, 213, 293, 503, 879, 1509, 20803, 35713, 62409, 107139, 147379, 442137, 10463909, 31391727]

約数ペア:

[(1, 31391727), (3, 10463909), (71, 442137), (213, 147379), (293, 107139), (503, 62409), (879, 35713), (1509, 20803)]