28296891

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8807}}^1$

素因数の和:8840

約数の個数: 32

約数和(自身を含む): 50734080

約数和(自身を除く): 22437189

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 8807, 26421, 61649, 79263, 149719, 184947, 237789, 449157, 554841, 1048033, 1347471, 1664523, 3144099, 4042413, 9432297, 28296891]

約数ペア:

[(1, 28296891), (3, 9432297), (7, 4042413), (9, 3144099), (17, 1664523), (21, 1347471), (27, 1048033), (51, 554841), (63, 449157), (119, 237789), (153, 184947), (189, 149719), (357, 79263), (459, 61649), (1071, 26421), (3213, 8807)]