68847513

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 107627520

約数和(自身を除く): 38780007

約数列:

[1, 3, 7, 21, 59, 177, 181, 307, 413, 543, 921, 1239, 1267, 2149, 3801, 6447, 10679, 18113, 32037, 54339, 55567, 74753, 126791, 166701, 224259, 380373, 388969, 1166907, 3278453, 9835359, 22949171, 68847513]

約数ペア:

[(1, 68847513), (3, 22949171), (7, 9835359), (21, 3278453), (59, 1166907), (177, 388969), (181, 380373), (307, 224259), (413, 166701), (543, 126791), (921, 74753), (1239, 55567), (1267, 54339), (2149, 32037), (3801, 18113), (6447, 10679)]