25977843

素因数分解:

$3^2\times {\mathrm{67}}^2\times {\mathrm{643}}^1$

素因数の和:783

約数の個数: 18

約数和(自身を含む): 38151204

約数和(自身を除く): 12173361

約数列:

[1, 3, 9, 67, 201, 603, 643, 1929, 4489, 5787, 13467, 40401, 43081, 129243, 387729, 2886427, 8659281, 25977843]

約数ペア:

[(1, 25977843), (3, 8659281), (9, 2886427), (67, 387729), (201, 129243), (603, 43081), (643, 40401), (1929, 13467), (4489, 5787)]