2912398839

素因数分解:

$3^2\times 7^2\times {\mathrm{1997}}^1\times {\mathrm{3307}}^1$

素因数の和:5324

約数の個数: 36

約数和(自身を含む): 4897553544

約数和(自身を除く): 1985154705

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1997, 3307, 5991, 9921, 13979, 17973, 23149, 29763, 41937, 69447, 97853, 125811, 162043, 208341, 293559, 486129, 880677, 1458387, 6604079, 19812237, 46228553, 59436711, 138685659, 323599871, 416056977, 970799613, 2912398839]

約数ペア:

[(1, 2912398839), (3, 970799613), (7, 416056977), (9, 323599871), (21, 138685659), (49, 59436711), (63, 46228553), (147, 19812237), (441, 6604079), (1997, 1458387), (3307, 880677), (5991, 486129), (9921, 293559), (13979, 208341), (17973, 162043), (23149, 125811), (29763, 97853), (41937, 69447)]