199323747

素因数分解:

$3^4\times 7^1\times {\mathrm{419}}^1\times {\mathrm{839}}^1$

素因数の和:1277

約数の個数: 40

約数和(自身を含む): 341510400

約数和(自身を除く): 142186653

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 419, 567, 839, 1257, 2517, 2933, 3771, 5873, 7551, 8799, 11313, 17619, 22653, 26397, 33939, 52857, 67959, 79191, 158571, 237573, 351541, 475713, 1054623, 2460787, 3163869, 7382361, 9491607, 22147083, 28474821, 66441249, 199323747]

約数ペア:

[(1, 199323747), (3, 66441249), (7, 28474821), (9, 22147083), (21, 9491607), (27, 7382361), (63, 3163869), (81, 2460787), (189, 1054623), (419, 475713), (567, 351541), (839, 237573), (1257, 158571), (2517, 79191), (2933, 67959), (3771, 52857), (5873, 33939), (7551, 26397), (8799, 22653), (11313, 17619)]