51287061

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{743}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 82851840

約数和(自身を除く): 31564779

約数列:

[1, 3, 7, 19, 21, 57, 133, 173, 399, 519, 743, 1211, 2229, 3287, 3633, 5201, 9861, 14117, 15603, 23009, 42351, 69027, 98819, 128539, 296457, 385617, 899773, 2442241, 2699319, 7326723, 17095687, 51287061]

約数ペア:

[(1, 51287061), (3, 17095687), (7, 7326723), (19, 2699319), (21, 2442241), (57, 899773), (133, 385617), (173, 296457), (399, 128539), (519, 98819), (743, 69027), (1211, 42351), (2229, 23009), (3287, 15603), (3633, 14117), (5201, 9861)]