81928329

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{28477}}^1$

素因数の和:28624

約数の個数: 16

約数和(自身を含む): 125758848

約数和(自身を除く): 43830519

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 28477, 85431, 199339, 598017, 3901349, 11704047, 27309443, 81928329]

約数ペア:

[(1, 81928329), (3, 27309443), (7, 11704047), (21, 3901349), (137, 598017), (411, 199339), (959, 85431), (2877, 28477)]