128965521

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{10723}}^1$

素因数の和:10956

約数の個数: 16

約数和(自身を含む): 181879040

約数和(自身を除く): 52913519

約数列:

[1, 3, 19, 57, 211, 633, 4009, 10723, 12027, 32169, 203737, 611211, 2262553, 6787659, 42988507, 128965521]

約数ペア:

[(1, 128965521), (3, 42988507), (19, 6787659), (57, 2262553), (211, 611211), (633, 203737), (4009, 32169), (10723, 12027)]