7131999

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 11520000

約数和(自身を除く): 4388001

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 239, 343, 609, 717, 1029, 1421, 1673, 4263, 5019, 6931, 9947, 11711, 20793, 29841, 35133, 48517, 81977, 145551, 245931, 339619, 1018857, 2377333, 7131999]

約数ペア:

[(1, 7131999), (3, 2377333), (7, 1018857), (21, 339619), (29, 245931), (49, 145551), (87, 81977), (147, 48517), (203, 35133), (239, 29841), (343, 20793), (609, 11711), (717, 9947), (1029, 6931), (1421, 5019), (1673, 4263)]