18004653

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 28262400

約数和(自身を除く): 10257747

約数列:

[1, 3, 9, 23, 27, 69, 79, 207, 237, 367, 621, 711, 1101, 1817, 2133, 3303, 5451, 8441, 9909, 16353, 25323, 28993, 49059, 75969, 86979, 227907, 260937, 666839, 782811, 2000517, 6001551, 18004653]

約数ペア:

[(1, 18004653), (3, 6001551), (9, 2000517), (23, 782811), (27, 666839), (69, 260937), (79, 227907), (207, 86979), (237, 75969), (367, 49059), (621, 28993), (711, 25323), (1101, 16353), (1817, 9909), (2133, 8441), (3303, 5451)]