28589925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 31406235

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 59, 65, 71, 75, 91, 105, 175, 177, 195, 213, 273, 295, 325, 355, 413, 455, 497, 525, 767, 885, 923, 975, 1065, 1239, 1365, 1475, 1491, 1775, 2065, 2275, 2301, 2485, 2769, 3835, 4189, 4425, 4615, 5325, 5369, 6195, 6461, 6825, 7455, 10325, 11505, 12425, 12567, 13845, 16107, 19175, 19383, 20945, 23075, 26845, 29323, 30975, 32305, 37275, 54457, 57525, 62835, 69225, 80535, 87969, 96915, 104725, 134225, 146615, 161525, 163371, 272285, 314175, 381199, 402675, 439845, 484575, 733075, 816855, 1143597, 1361425, 1905995, 2199225, 4084275, 5717985, 9529975, 28589925]

約数ペア:

[(1, 28589925), (3, 9529975), (5, 5717985), (7, 4084275), (13, 2199225), (15, 1905995), (21, 1361425), (25, 1143597), (35, 816855), (39, 733075), (59, 484575), (65, 439845), (71, 402675), (75, 381199), (91, 314175), (105, 272285), (175, 163371), (177, 161525), (195, 146615), (213, 134225), (273, 104725), (295, 96915), (325, 87969), (355, 80535), (413, 69225), (455, 62835), (497, 57525), (525, 54457), (767, 37275), (885, 32305), (923, 30975), (975, 29323), (1065, 26845), (1239, 23075), (1365, 20945), (1475, 19383), (1491, 19175), (1775, 16107), (2065, 13845), (2275, 12567), (2301, 12425), (2485, 11505), (2769, 10325), (3835, 7455), (4189, 6825), (4425, 6461), (4615, 6195), (5325, 5369)]