18128529

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 27623232

約数和(自身を除く): 9494703

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 1223, 1647, 3669, 4941, 11007, 14823, 33021, 74603, 99063, 223809, 297189, 671427, 2014281, 6042843, 18128529]

約数ペア:

[(1, 18128529), (3, 6042843), (9, 2014281), (27, 671427), (61, 297189), (81, 223809), (183, 99063), (243, 74603), (549, 33021), (1223, 14823), (1647, 11007), (3669, 4941)]