26330409

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21997}}^1$

素因数の和:22029

約数の個数: 24

約数和(自身を含む): 45755840

約数和(自身を除く): 19425431

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 21997, 65991, 153979, 197973, 417943, 461937, 1253829, 1385811, 2925601, 3761487, 8776803, 26330409]

約数ペア:

[(1, 26330409), (3, 8776803), (7, 3761487), (9, 2925601), (19, 1385811), (21, 1253829), (57, 461937), (63, 417943), (133, 197973), (171, 153979), (399, 65991), (1197, 21997)]