16256745

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 29877120

約数和(自身を除く): 13620375

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 113, 115, 139, 207, 339, 345, 417, 565, 695, 1017, 1035, 1251, 1695, 2085, 2599, 3197, 5085, 6255, 7797, 9591, 12995, 15707, 15985, 23391, 28773, 38985, 47121, 47955, 78535, 116955, 141363, 143865, 235605, 361261, 706815, 1083783, 1806305, 3251349, 5418915, 16256745]

約数ペア:

[(1, 16256745), (3, 5418915), (5, 3251349), (9, 1806305), (15, 1083783), (23, 706815), (45, 361261), (69, 235605), (113, 143865), (115, 141363), (139, 116955), (207, 78535), (339, 47955), (345, 47121), (417, 38985), (565, 28773), (695, 23391), (1017, 15985), (1035, 15707), (1251, 12995), (1695, 9591), (2085, 7797), (2599, 6255), (3197, 5085)]