259968219

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{209821}}^1$

素因数の和:209890

約数の個数: 16

約数和(自身を含む): 402858240

約数和(自身を除く): 142890021

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 209821, 629463, 1468747, 4406241, 12379439, 37138317, 86656073, 259968219]

約数ペア:

[(1, 259968219), (3, 86656073), (7, 37138317), (21, 12379439), (59, 4406241), (177, 1468747), (413, 629463), (1239, 209821)]