28065555

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1747}}^1$

素因数の和:1785

約数の個数: 64

約数和(自身を含む): 60410880

約数和(自身を除く): 32345325

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1747, 1785, 2295, 3213, 5241, 5355, 8735, 12229, 15723, 16065, 26205, 29699, 36687, 47169, 61145, 78615, 89097, 110061, 148495, 183435, 207893, 235845, 267291, 330183, 445485, 550305, 623679, 801873, 1039465, 1336455, 1650915, 1871037, 3118395, 4009365, 5613111, 9355185, 28065555]

約数ペア:

[(1, 28065555), (3, 9355185), (5, 5613111), (7, 4009365), (9, 3118395), (15, 1871037), (17, 1650915), (21, 1336455), (27, 1039465), (35, 801873), (45, 623679), (51, 550305), (63, 445485), (85, 330183), (105, 267291), (119, 235845), (135, 207893), (153, 183435), (189, 148495), (255, 110061), (315, 89097), (357, 78615), (459, 61145), (595, 47169), (765, 36687), (945, 29699), (1071, 26205), (1747, 16065), (1785, 15723), (2295, 12229), (3213, 8735), (5241, 5355)]