247946433

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{407137}}^1$

素因数の和:407176

約数の個数: 16

約数和(自身を含む): 390852480

約数和(自身を除く): 142906047

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 407137, 1221411, 2849959, 8549877, 11806973, 35420919, 82648811, 247946433]

約数ペア:

[(1, 247946433), (3, 82648811), (7, 35420919), (21, 11806973), (29, 8549877), (87, 2849959), (203, 1221411), (609, 407137)]