20161115541

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2091619}}^1$

素因数の和:2091655

約数の個数: 40

約数和(自身を含む): 36444386880

約数和(自身を除く): 16283271339

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 3213, 9639, 2091619, 6274857, 14641333, 18824571, 35557523, 43923999, 56473713, 106672569, 131771997, 169421139, 248902661, 320017707, 395315991, 746707983, 960053121, 1185947973, 2240123949, 2880159363, 6720371847, 20161115541]

約数ペア:

[(1, 20161115541), (3, 6720371847), (7, 2880159363), (9, 2240123949), (17, 1185947973), (21, 960053121), (27, 746707983), (51, 395315991), (63, 320017707), (81, 248902661), (119, 169421139), (153, 131771997), (189, 106672569), (357, 56473713), (459, 43923999), (567, 35557523), (1071, 18824571), (1377, 14641333), (3213, 6274857), (9639, 2091619)]