2519685

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 5266560

約数和(自身を除く): 2746875

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 421, 665, 855, 1197, 1263, 1995, 2105, 2947, 3789, 5985, 6315, 7999, 8841, 14735, 18945, 23997, 26523, 39995, 44205, 55993, 71991, 119985, 132615, 167979, 279965, 359955, 503937, 839895, 2519685]

約数ペア:

[(1, 2519685), (3, 839895), (5, 503937), (7, 359955), (9, 279965), (15, 167979), (19, 132615), (21, 119985), (35, 71991), (45, 55993), (57, 44205), (63, 39995), (95, 26523), (105, 23997), (133, 18945), (171, 14735), (285, 8841), (315, 7999), (399, 6315), (421, 5985), (665, 3789), (855, 2947), (1197, 2105), (1263, 1995)]