139326399

素因数分解:

$3^4\times {\mathrm{347}}^1\times {\mathrm{4957}}^1$

素因数の和:5316

約数の個数: 20

約数和(自身を含む): 208771464

約数和(自身を除く): 69445065

約数列:

[1, 3, 9, 27, 81, 347, 1041, 3123, 4957, 9369, 14871, 28107, 44613, 133839, 401517, 1720079, 5160237, 15480711, 46442133, 139326399]

約数ペア:

[(1, 139326399), (3, 46442133), (9, 15480711), (27, 5160237), (81, 1720079), (347, 401517), (1041, 133839), (3123, 44613), (4957, 28107), (9369, 14871)]