309879513

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{16007}}^1$

素因数の和:16258

約数の個数: 20

約数和(自身を含む): 464872320

約数和(自身を除く): 154992807

約数列:

[1, 3, 9, 27, 81, 239, 717, 2151, 6453, 16007, 19359, 48021, 144063, 432189, 1296567, 3825673, 11477019, 34431057, 103293171, 309879513]

約数ペア:

[(1, 309879513), (3, 103293171), (9, 34431057), (27, 11477019), (81, 3825673), (239, 1296567), (717, 432189), (2151, 144063), (6453, 48021), (16007, 19359)]