201965211

素因数分解:

$3^3\times 7^2\times {\mathrm{152657}}^1$

素因数の和:152680

約数の個数: 24

約数和(自身を含む): 348060240

約数和(自身を除く): 146095029

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 152657, 457971, 1068599, 1373913, 3205797, 4121739, 7480193, 9617391, 22440579, 28852173, 67321737, 201965211]

約数ペア:

[(1, 201965211), (3, 67321737), (7, 28852173), (9, 22440579), (21, 9617391), (27, 7480193), (49, 4121739), (63, 3205797), (147, 1373913), (189, 1068599), (441, 457971), (1323, 152657)]