257784417

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{3067}}^1$

素因数の和:3370

約数の個数: 32

約数和(自身を含む): 418229760

約数和(自身を除く): 160445343

約数列:

[1, 3, 9, 11, 27, 33, 99, 283, 297, 849, 2547, 3067, 3113, 7641, 9201, 9339, 27603, 28017, 33737, 82809, 84051, 101211, 303633, 867961, 910899, 2603883, 7811649, 9547571, 23434947, 28642713, 85928139, 257784417]

約数ペア:

[(1, 257784417), (3, 85928139), (9, 28642713), (11, 23434947), (27, 9547571), (33, 7811649), (99, 2603883), (283, 910899), (297, 867961), (849, 303633), (2547, 101211), (3067, 84051), (3113, 82809), (7641, 33737), (9201, 28017), (9339, 27603)]