408133677

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{769}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 630784000

約数和(自身を除く): 222650323

約数列:

[1, 3, 7, 21, 127, 199, 381, 597, 769, 889, 1393, 2307, 2667, 4179, 5383, 16149, 25273, 75819, 97663, 153031, 176911, 292989, 459093, 530733, 683641, 1071217, 2050923, 3213651, 19434937, 58304811, 136044559, 408133677]

約数ペア:

[(1, 408133677), (3, 136044559), (7, 58304811), (21, 19434937), (127, 3213651), (199, 2050923), (381, 1071217), (597, 683641), (769, 530733), (889, 459093), (1393, 292989), (2307, 176911), (2667, 153031), (4179, 97663), (5383, 75819), (16149, 25273)]