28673883

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 51420096

約数和(自身を除く): 22746213

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 287, 357, 369, 653, 697, 861, 1071, 1959, 2091, 2583, 4571, 4879, 5877, 6273, 11101, 13713, 14637, 26773, 33303, 41139, 43911, 77707, 80319, 99909, 187411, 233121, 240957, 455141, 562233, 699363, 1365423, 1686699, 3185987, 4096269, 9557961, 28673883]

約数ペア:

[(1, 28673883), (3, 9557961), (7, 4096269), (9, 3185987), (17, 1686699), (21, 1365423), (41, 699363), (51, 562233), (63, 455141), (119, 240957), (123, 233121), (153, 187411), (287, 99909), (357, 80319), (369, 77707), (653, 43911), (697, 41139), (861, 33303), (1071, 26773), (1959, 14637), (2091, 13713), (2583, 11101), (4571, 6273), (4879, 5877)]