78340959

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{18481}}^1$

素因数の和:18647

約数の個数: 16

約数和(自身を含む): 116806240

約数和(自身を除く): 38465281

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 18481, 55443, 166329, 498987, 2901517, 8704551, 26113653, 78340959]

約数ペア:

[(1, 78340959), (3, 26113653), (9, 8704551), (27, 2901517), (157, 498987), (471, 166329), (1413, 55443), (4239, 18481)]