2131545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 3894912

約数和(自身を除く): 1763367

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 643, 663, 1105, 1929, 3215, 3315, 8359, 9645, 10931, 25077, 32793, 41795, 54655, 125385, 142103, 163965, 426309, 710515, 2131545]

約数ペア:

[(1, 2131545), (3, 710515), (5, 426309), (13, 163965), (15, 142103), (17, 125385), (39, 54655), (51, 41795), (65, 32793), (85, 25077), (195, 10931), (221, 9645), (255, 8359), (643, 3315), (663, 3215), (1105, 1929)]