15721311207

素因数分解:

$3^1\times 7^1\times {\mathrm{6203}}^1\times {\mathrm{120689}}^1$

素因数の和:126902

約数の個数: 16

約数和(自身を含む): 23960344320

約数和(自身を除く): 8239033113

約数列:

[1, 3, 7, 21, 6203, 18609, 43421, 120689, 130263, 362067, 844823, 2534469, 748633867, 2245901601, 5240437069, 15721311207]

約数ペア:

[(1, 15721311207), (3, 5240437069), (7, 2245901601), (21, 748633867), (6203, 2534469), (18609, 844823), (43421, 362067), (120689, 130263)]