1815192729

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1252721}}^1$

素因数の和:1252757

約数の個数: 24

約数和(自身を含む): 3126794112

約数和(自身を除く): 1311601383

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 1252721, 3758163, 8769047, 11274489, 26307141, 28812583, 78921423, 86437749, 201688081, 259313247, 605064243, 1815192729]

約数ペア:

[(1, 1815192729), (3, 605064243), (7, 259313247), (9, 201688081), (21, 86437749), (23, 78921423), (63, 28812583), (69, 26307141), (161, 11274489), (207, 8769047), (483, 3758163), (1449, 1252721)]