51640215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{312971}}^1$

素因数の和:312990

約数の個数: 16

約数和(自身を含む): 90135936

約数和(自身を除く): 38495721

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 312971, 938913, 1564855, 3442681, 4694565, 10328043, 17213405, 51640215]

約数ペア:

[(1, 51640215), (3, 17213405), (5, 10328043), (11, 4694565), (15, 3442681), (33, 1564855), (55, 938913), (165, 312971)]