2501955

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 2059965

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 431, 645, 1161, 1293, 1935, 2155, 3879, 5805, 6465, 11637, 18533, 19395, 55599, 58185, 92665, 166797, 277995, 500391, 833985, 2501955]

約数ペア:

[(1, 2501955), (3, 833985), (5, 500391), (9, 277995), (15, 166797), (27, 92665), (43, 58185), (45, 55599), (129, 19395), (135, 18533), (215, 11637), (387, 6465), (431, 5805), (645, 3879), (1161, 2155), (1293, 1935)]