290589021

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{3461}}^1$

素因数の和:3977

約数の個数: 24

約数和(自身を含む): 442859040

約数和(自身を除く): 152270019

約数列:

[1, 3, 9, 19, 57, 171, 491, 1473, 3461, 4419, 9329, 10383, 27987, 31149, 65759, 83961, 197277, 591831, 1699351, 5098053, 15294159, 32287669, 96863007, 290589021]

約数ペア:

[(1, 290589021), (3, 96863007), (9, 32287669), (19, 15294159), (57, 5098053), (171, 1699351), (491, 591831), (1473, 197277), (3461, 83961), (4419, 65759), (9329, 31149), (10383, 27987)]