2491641

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1650

約数の個数: 20

約数和(自身を含む): 3920400

約数和(自身を除く): 1428759

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1619, 4857, 14571, 30761, 43713, 92283, 131139, 276849, 830547, 2491641]

約数ペア:

[(1, 2491641), (3, 830547), (9, 276849), (19, 131139), (27, 92283), (57, 43713), (81, 30761), (171, 14571), (513, 4857), (1539, 1619)]