2051985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 3749760

約数和(自身を除く): 1697775

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 619, 663, 1105, 1857, 3095, 3315, 8047, 9285, 10523, 24141, 31569, 40235, 52615, 120705, 136799, 157845, 410397, 683995, 2051985]

約数ペア:

[(1, 2051985), (3, 683995), (5, 410397), (13, 157845), (15, 136799), (17, 120705), (39, 52615), (51, 40235), (65, 31569), (85, 24141), (195, 10523), (221, 9285), (255, 8047), (619, 3315), (663, 3095), (1105, 1857)]