3888521

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 5094720

約数和(自身を除く): 1206199

約数列:

[1, 7, 13, 19, 91, 133, 169, 173, 247, 1183, 1211, 1729, 2249, 3211, 3287, 15743, 22477, 23009, 29237, 42731, 204659, 299117, 555503, 3888521]

約数ペア:

[(1, 3888521), (7, 555503), (13, 299117), (19, 204659), (91, 42731), (133, 29237), (169, 23009), (173, 22477), (247, 15743), (1183, 3287), (1211, 3211), (1729, 2249)]