209719107

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{2953}}^1$

素因数の和:3579

約数の個数: 24

約数和(自身を含む): 326877824

約数和(自身を除く): 117158717

約数列:

[1, 3, 9, 13, 39, 117, 607, 1821, 2953, 5463, 7891, 8859, 23673, 26577, 38389, 71019, 115167, 345501, 1792471, 5377413, 16132239, 23302123, 69906369, 209719107]

約数ペア:

[(1, 209719107), (3, 69906369), (9, 23302123), (13, 16132239), (39, 5377413), (117, 1792471), (607, 345501), (1821, 115167), (2953, 71019), (5463, 38389), (7891, 26577), (8859, 23673)]