20171805957

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{16879}}^1$

素因数の和:17082

約数の個数: 48

約数和(自身を含む): 31567760640

約数和(自身を除く): 11395954683

約数列:

[1, 3, 9, 17, 51, 73, 107, 153, 219, 321, 657, 963, 1241, 1819, 3723, 5457, 7811, 11169, 16371, 16879, 23433, 50637, 70299, 132787, 151911, 286943, 398361, 860829, 1195083, 1232167, 1806053, 2582487, 3696501, 5418159, 11089503, 16254477, 20946839, 30702901, 62840517, 92108703, 131841869, 188521551, 276326109, 395525607, 1186576821, 2241311773, 6723935319, 20171805957]

約数ペア:

[(1, 20171805957), (3, 6723935319), (9, 2241311773), (17, 1186576821), (51, 395525607), (73, 276326109), (107, 188521551), (153, 131841869), (219, 92108703), (321, 62840517), (657, 30702901), (963, 20946839), (1241, 16254477), (1819, 11089503), (3723, 5418159), (5457, 3696501), (7811, 2582487), (11169, 1806053), (16371, 1232167), (16879, 1195083), (23433, 860829), (50637, 398361), (70299, 286943), (132787, 151911)]