198206127

素因数分解:

$3^2\times 7^2\times {\mathrm{509}}^1\times {\mathrm{883}}^1$

素因数の和:1412

約数の個数: 36

約数和(自身を含む): 334072440

約数和(自身を除く): 135866313

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 509, 883, 1527, 2649, 3563, 4581, 6181, 7947, 10689, 18543, 24941, 32067, 43267, 55629, 74823, 129801, 224469, 389403, 449447, 1348341, 3146129, 4045023, 9438387, 22022903, 28315161, 66068709, 198206127]

約数ペア:

[(1, 198206127), (3, 66068709), (7, 28315161), (9, 22022903), (21, 9438387), (49, 4045023), (63, 3146129), (147, 1348341), (441, 449447), (509, 389403), (883, 224469), (1527, 129801), (2649, 74823), (3563, 55629), (4581, 43267), (6181, 32067), (7947, 24941), (10689, 18543)]