16686513

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 25948800

約数和(自身を除く): 9262287

約数列:

[1, 3, 9, 27, 29, 87, 101, 211, 261, 303, 633, 783, 909, 1899, 2727, 2929, 5697, 6119, 8787, 18357, 21311, 26361, 55071, 63933, 79083, 165213, 191799, 575397, 618019, 1854057, 5562171, 16686513]

約数ペア:

[(1, 16686513), (3, 5562171), (9, 1854057), (27, 618019), (29, 575397), (87, 191799), (101, 165213), (211, 79083), (261, 63933), (303, 55071), (633, 26361), (783, 21311), (909, 18357), (1899, 8787), (2727, 6119), (2929, 5697)]