128445849

素因数分解:

$3^2\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{1447}}^1$

素因数の和:2869

約数の個数: 24

約数和(自身を含む): 212334720

約数和(自身を除く): 83888871

約数列:

[1, 3, 7, 9, 21, 63, 1409, 1447, 4227, 4341, 9863, 10129, 12681, 13023, 29589, 30387, 88767, 91161, 2038823, 6116469, 14271761, 18349407, 42815283, 128445849]

約数ペア:

[(1, 128445849), (3, 42815283), (7, 18349407), (9, 14271761), (21, 6116469), (63, 2038823), (1409, 91161), (1447, 88767), (4227, 30387), (4341, 29589), (9863, 13023), (10129, 12681)]