17691993

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 11338407

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 839, 1917, 2343, 2517, 7029, 7551, 9229, 21087, 22653, 27687, 59569, 83061, 178707, 249183, 536121, 655259, 1608363, 1965777, 5897331, 17691993]

約数ペア:

[(1, 17691993), (3, 5897331), (9, 1965777), (11, 1608363), (27, 655259), (33, 536121), (71, 249183), (99, 178707), (213, 83061), (297, 59569), (639, 27687), (781, 22653), (839, 21087), (1917, 9229), (2343, 7551), (2517, 7029)]