840507957

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{21613}}^1$

素因数の和:21797

約数の個数: 24

約数和(自身を含む): 1264419000

約数和(自身を除く): 423911043

約数列:

[1, 3, 9, 29, 87, 149, 261, 447, 1341, 4321, 12963, 21613, 38889, 64839, 194517, 626777, 1880331, 3220337, 5640993, 9661011, 28983033, 93389773, 280169319, 840507957]

約数ペア:

[(1, 840507957), (3, 280169319), (9, 93389773), (29, 28983033), (87, 9661011), (149, 5640993), (261, 3220337), (447, 1880331), (1341, 626777), (4321, 194517), (12963, 64839), (21613, 38889)]