68688921

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{55439}}^1$

素因数の和:55508

約数の個数: 16

約数和(自身を含む): 106444800

約数和(自身を除く): 37755879

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 55439, 166317, 388073, 1164219, 3270901, 9812703, 22896307, 68688921]

約数ペア:

[(1, 68688921), (3, 22896307), (7, 9812703), (21, 3270901), (59, 1164219), (177, 388073), (413, 166317), (1239, 55439)]