2912985957

素因数分解:

$3^1\times 7^2\times {\mathrm{1997}}^1\times {\mathrm{9923}}^1$

素因数の和:11937

約数の個数: 24

約数和(自身を含む): 4520818656

約数和(自身を除く): 1607832699

約数列:

[1, 3, 7, 21, 49, 147, 1997, 5991, 9923, 13979, 29769, 41937, 69461, 97853, 208383, 293559, 486227, 1458681, 19816231, 59448693, 138713617, 416140851, 970995319, 2912985957]

約数ペア:

[(1, 2912985957), (3, 970995319), (7, 416140851), (21, 138713617), (49, 59448693), (147, 19816231), (1997, 1458681), (5991, 486227), (9923, 293559), (13979, 208383), (29769, 97853), (41937, 69461)]