2784120003

素因数分解:

$3^2\times 7^1\times {\mathrm{2141}}^1\times {\mathrm{20641}}^1$

素因数の和:22795

約数の個数: 24

約数和(自身を含む): 4598377056

約数和(自身を除く): 1814257053

約数列:

[1, 3, 7, 9, 21, 63, 2141, 6423, 14987, 19269, 20641, 44961, 61923, 134883, 144487, 185769, 433461, 1300383, 44192381, 132577143, 309346667, 397731429, 928040001, 2784120003]

約数ペア:

[(1, 2784120003), (3, 928040001), (7, 397731429), (9, 309346667), (21, 132577143), (63, 44192381), (2141, 1300383), (6423, 433461), (14987, 185769), (19269, 144487), (20641, 134883), (44961, 61923)]