81517443

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{54673}}^1$

素因数の和:54754

約数の個数: 16

約数和(自身を含む): 125968896

約数和(自身を除く): 44451453

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 54673, 164019, 382711, 1148133, 3881783, 11645349, 27172481, 81517443]

約数ペア:

[(1, 81517443), (3, 27172481), (7, 11645349), (21, 3881783), (71, 1148133), (213, 382711), (497, 164019), (1491, 54673)]