20199499173

素因数分解:

$3^5\times 7^2\times {\mathrm{1696439}}^1$

素因数の和:1696468

約数の個数: 36

約数和(自身を含む): 35197737120

約数和(自身を除く): 14998237947

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 3969, 11907, 1696439, 5089317, 11875073, 15267951, 35625219, 45803853, 83125511, 106875657, 137411559, 249376533, 320626971, 412234677, 748129599, 961880913, 2244388797, 2885642739, 6733166391, 20199499173]

約数ペア:

[(1, 20199499173), (3, 6733166391), (7, 2885642739), (9, 2244388797), (21, 961880913), (27, 748129599), (49, 412234677), (63, 320626971), (81, 249376533), (147, 137411559), (189, 106875657), (243, 83125511), (441, 45803853), (567, 35625219), (1323, 15267951), (1701, 11875073), (3969, 5089317), (11907, 1696439)]