212980713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{280607}}^1$

素因数の和:280644

約数の個数: 16

約数和(自身を含む): 323260416

約数和(自身を除く): 110279703

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 280607, 841821, 3086677, 6453961, 9260031, 19361883, 70993571, 212980713]

約数ペア:

[(1, 212980713), (3, 70993571), (11, 19361883), (23, 9260031), (33, 6453961), (69, 3086677), (253, 841821), (759, 280607)]