81102519

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{42307}}^1$

素因数の和:42387

約数の個数: 16

約数和(自身を含む): 121847040

約数和(自身を除く): 40744521

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 42307, 126921, 380763, 1142289, 3003797, 9011391, 27034173, 81102519]

約数ペア:

[(1, 81102519), (3, 27034173), (9, 9011391), (27, 3003797), (71, 1142289), (213, 380763), (639, 126921), (1917, 42307)]