28473147

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 46418400

約数和(自身を除く): 17945253

約数列:

[1, 3, 9, 17, 27, 41, 51, 89, 123, 153, 267, 289, 369, 459, 697, 801, 867, 1107, 1513, 2091, 2403, 2601, 3649, 4539, 6273, 7803, 10947, 11849, 13617, 18819, 25721, 32841, 35547, 40851, 62033, 77163, 98523, 106641, 186099, 231489, 319923, 558297, 694467, 1054561, 1674891, 3163683, 9491049, 28473147]

約数ペア:

[(1, 28473147), (3, 9491049), (9, 3163683), (17, 1674891), (27, 1054561), (41, 694467), (51, 558297), (89, 319923), (123, 231489), (153, 186099), (267, 106641), (289, 98523), (369, 77163), (459, 62033), (697, 40851), (801, 35547), (867, 32841), (1107, 25721), (1513, 18819), (2091, 13617), (2403, 11849), (2601, 10947), (3649, 7803), (4539, 6273)]