18330651

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 28454400

約数和(自身を除く): 10123749

約数列:

[1, 3, 9, 27, 37, 59, 111, 177, 311, 333, 531, 933, 999, 1593, 2183, 2799, 6549, 8397, 11507, 18349, 19647, 34521, 55047, 58941, 103563, 165141, 310689, 495423, 678913, 2036739, 6110217, 18330651]

約数ペア:

[(1, 18330651), (3, 6110217), (9, 2036739), (27, 678913), (37, 495423), (59, 310689), (111, 165141), (177, 103563), (311, 58941), (333, 55047), (531, 34521), (933, 19647), (999, 18349), (1593, 11507), (2183, 8397), (2799, 6549)]