338889159

素因数分解:

$3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{19997}}^1$

素因数の和:20279

約数の個数: 24

約数和(自身を含む): 561543840

約数和(自身を除く): 222654681

約数列:

[1, 3, 7, 9, 21, 63, 269, 807, 1883, 2421, 5649, 16947, 19997, 59991, 139979, 179973, 419937, 1259811, 5379193, 16137579, 37654351, 48412737, 112963053, 338889159]

約数ペア:

[(1, 338889159), (3, 112963053), (7, 48412737), (9, 37654351), (21, 16137579), (63, 5379193), (269, 1259811), (807, 419937), (1883, 179973), (2421, 139979), (5649, 59991), (16947, 19997)]