17825913

素因数分解:

$3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 30782400

約数和(自身を除く): 12956487

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 149, 189, 211, 447, 567, 633, 1043, 1341, 1477, 1899, 3129, 4023, 4431, 5697, 9387, 12069, 13293, 17091, 28161, 31439, 39879, 84483, 94317, 119637, 220073, 282951, 660219, 848853, 1980657, 2546559, 5941971, 17825913]

約数ペア:

[(1, 17825913), (3, 5941971), (7, 2546559), (9, 1980657), (21, 848853), (27, 660219), (63, 282951), (81, 220073), (149, 119637), (189, 94317), (211, 84483), (447, 39879), (567, 31439), (633, 28161), (1043, 17091), (1341, 13293), (1477, 12069), (1899, 9387), (3129, 5697), (4023, 4431)]