81357141

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{25087}}^1$

素因数の和:25160

約数の個数: 16

約数和(自身を含む): 115605504

約数和(自身を除く): 34248363

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 25087, 75261, 577001, 1179089, 1731003, 3537267, 27119047, 81357141]

約数ペア:

[(1, 81357141), (3, 27119047), (23, 3537267), (47, 1731003), (69, 1179089), (141, 577001), (1081, 75261), (3243, 25087)]