81739329

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{63809}}^1$

素因数の和:63880

約数の個数: 16

約数和(自身を含む): 126599040

約数和(自身を除く): 44859711

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 63809, 191427, 446663, 1339989, 3892349, 11677047, 27246443, 81739329]

約数ペア:

[(1, 81739329), (3, 27246443), (7, 11677047), (21, 3892349), (61, 1339989), (183, 446663), (427, 191427), (1281, 63809)]