7990407

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{4289}}^1$

素因数の和:4324

約数の個数: 20

約数和(自身を含む): 12458160

約数和(自身を除く): 4467753

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 4289, 12867, 38601, 98647, 115803, 295941, 347409, 887823, 2663469, 7990407]

約数ペア:

[(1, 7990407), (3, 2663469), (9, 887823), (23, 347409), (27, 295941), (69, 115803), (81, 98647), (207, 38601), (621, 12867), (1863, 4289)]