31830351

素因数分解:

$3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{971}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 49641984

約数和(自身を除く): 17811633

約数列:

[1, 3, 7, 21, 49, 147, 223, 669, 971, 1561, 2913, 4683, 6797, 10927, 20391, 32781, 47579, 142737, 216533, 649599, 1515731, 4547193, 10610117, 31830351]

約数ペア:

[(1, 31830351), (3, 10610117), (7, 4547193), (21, 1515731), (49, 649599), (147, 216533), (223, 142737), (669, 47579), (971, 32781), (1561, 20391), (2913, 10927), (4683, 6797)]