55402791

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 80289792

約数和(自身を除く): 24887001

約数列:

[1, 3, 23, 43, 69, 71, 129, 213, 263, 789, 989, 1633, 2967, 3053, 4899, 6049, 9159, 11309, 18147, 18673, 33927, 56019, 70219, 210657, 260107, 429479, 780321, 802939, 1288437, 2408817, 18467597, 55402791]

約数ペア:

[(1, 55402791), (3, 18467597), (23, 2408817), (43, 1288437), (69, 802939), (71, 780321), (129, 429479), (213, 260107), (263, 210657), (789, 70219), (989, 56019), (1633, 33927), (2967, 18673), (3053, 18147), (4899, 11309), (6049, 9159)]