81587535

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{115727}}^1$

素因数の和:115782

約数の個数: 16

約数和(自身を含む): 133318656

約数和(自身を除く): 51731121

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 115727, 347181, 578635, 1735905, 5439169, 16317507, 27195845, 81587535]

約数ペア:

[(1, 81587535), (3, 27195845), (5, 16317507), (15, 5439169), (47, 1735905), (141, 578635), (235, 347181), (705, 115727)]