1990993707

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{491}}^1\times {\mathrm{8501}}^1$

素因数の和:9051

約数の個数: 24

約数和(自身を含む): 2936454768

約数和(自身を除く): 945461061

約数列:

[1, 3, 9, 53, 159, 477, 491, 1473, 4419, 8501, 25503, 26023, 76509, 78069, 234207, 450553, 1351659, 4054977, 4173991, 12521973, 37565919, 221221523, 663664569, 1990993707]

約数ペア:

[(1, 1990993707), (3, 663664569), (9, 221221523), (53, 37565919), (159, 12521973), (477, 4173991), (491, 4054977), (1473, 1351659), (4419, 450553), (8501, 234207), (25503, 78069), (26023, 76509)]