213590951

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3761}}^1$

素因数の和:3855

約数の個数: 24

約数和(自身を含む): 265898160

約数和(自身を除く): 52307209

約数列:

[1, 7, 19, 49, 61, 133, 427, 931, 1159, 2989, 3761, 8113, 26327, 56791, 71459, 184289, 229421, 500213, 1605947, 3501491, 4358999, 11241629, 30512993, 213590951]

約数ペア:

[(1, 213590951), (7, 30512993), (19, 11241629), (49, 4358999), (61, 3501491), (133, 1605947), (427, 500213), (931, 229421), (1159, 184289), (2989, 71459), (3761, 56791), (8113, 26327)]