75720681

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1723}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 115645920

約数和(自身を除く): 39925239

約数列:

[1, 3, 9, 19, 57, 171, 257, 771, 1723, 2313, 4883, 5169, 14649, 15507, 32737, 43947, 98211, 294633, 442811, 1328433, 3985299, 8413409, 25240227, 75720681]

約数ペア:

[(1, 75720681), (3, 25240227), (9, 8413409), (19, 3985299), (57, 1328433), (171, 442811), (257, 294633), (771, 98211), (1723, 43947), (2313, 32737), (4883, 15507), (5169, 14649)]