201320256921

素因数分解:

$3^1\times 7^1\times {\mathrm{69439}}^1\times {\mathrm{138059}}^1$

素因数の和:207508

約数の個数: 16

約数和(自身を含む): 306780364800

約数和(自身を除く): 105460107879

約数列:

[1, 3, 7, 21, 69439, 138059, 208317, 414177, 486073, 966413, 1458219, 2899239, 9586678901, 28760036703, 67106752307, 201320256921]

約数ペア:

[(1, 201320256921), (3, 67106752307), (7, 28760036703), (21, 9586678901), (69439, 2899239), (138059, 1458219), (208317, 966413), (414177, 486073)]