216913653

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{829}}^1\times {\mathrm{881}}^1$

素因数の和:1730

約数の個数: 32

約数和(自身を含む): 351388800

約数和(自身を除く): 134475147

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 829, 881, 2487, 2643, 7461, 7929, 9119, 9691, 22383, 23787, 27357, 29073, 82071, 87219, 246213, 261657, 730349, 2191047, 6573141, 8033839, 19719423, 24101517, 72304551, 216913653]

約数ペア:

[(1, 216913653), (3, 72304551), (9, 24101517), (11, 19719423), (27, 8033839), (33, 6573141), (99, 2191047), (297, 730349), (829, 261657), (881, 246213), (2487, 87219), (2643, 82071), (7461, 29073), (7929, 27357), (9119, 23787), (9691, 22383)]