6438123

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1376

約数の個数: 20

約数和(自身を含む): 9782608

約数和(自身を除く): 3344485

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1303, 1647, 3909, 4941, 11727, 35181, 79483, 105543, 238449, 715347, 2146041, 6438123]

約数ペア:

[(1, 6438123), (3, 2146041), (9, 715347), (27, 238449), (61, 105543), (81, 79483), (183, 35181), (549, 11727), (1303, 4941), (1647, 3909)]