81364959

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{231809}}^1$

素因数の和:231831

約数の個数: 16

約数和(自身を含む): 129813600

約数和(自身を除く): 48448641

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 231809, 695427, 2086281, 3013517, 6258843, 9040551, 27121653, 81364959]

約数ペア:

[(1, 81364959), (3, 27121653), (9, 9040551), (13, 6258843), (27, 3013517), (39, 2086281), (117, 695427), (351, 231809)]