28613601

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 47646400

約数和(自身を除く): 19032799

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 193, 289, 323, 459, 513, 579, 867, 969, 1737, 2601, 2907, 3281, 3667, 5211, 5491, 7803, 8721, 9843, 11001, 16473, 29529, 33003, 49419, 55777, 62339, 88587, 99009, 148257, 167331, 187017, 501993, 561051, 1059763, 1505979, 1683153, 3179289, 9537867, 28613601]

約数ペア:

[(1, 28613601), (3, 9537867), (9, 3179289), (17, 1683153), (19, 1505979), (27, 1059763), (51, 561051), (57, 501993), (153, 187017), (171, 167331), (193, 148257), (289, 99009), (323, 88587), (459, 62339), (513, 55777), (579, 49419), (867, 33003), (969, 29529), (1737, 16473), (2601, 11001), (2907, 9843), (3281, 8721), (3667, 7803), (5211, 5491)]