1620899

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 2006208

約数和(自身を除く): 385309

約数列:

[1, 7, 17, 53, 119, 257, 371, 901, 1799, 4369, 6307, 13621, 30583, 95347, 231557, 1620899]

約数ペア:

[(1, 1620899), (7, 231557), (17, 95347), (53, 30583), (119, 13621), (257, 6307), (371, 4369), (901, 1799)]