28597023

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 53114880

約数和(自身を除く): 24517857

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 103, 113, 117, 189, 273, 309, 339, 351, 721, 791, 819, 927, 1017, 1339, 1469, 2163, 2373, 2457, 2781, 3051, 4017, 4407, 6489, 7119, 9373, 10283, 11639, 12051, 13221, 19467, 21357, 28119, 30849, 34917, 36153, 39663, 81473, 84357, 92547, 104751, 151307, 244419, 253071, 277641, 314253, 453921, 733257, 1059149, 1361763, 2199771, 3177447, 4085289, 9532341, 28597023]

約数ペア:

[(1, 28597023), (3, 9532341), (7, 4085289), (9, 3177447), (13, 2199771), (21, 1361763), (27, 1059149), (39, 733257), (63, 453921), (91, 314253), (103, 277641), (113, 253071), (117, 244419), (189, 151307), (273, 104751), (309, 92547), (339, 84357), (351, 81473), (721, 39663), (791, 36153), (819, 34917), (927, 30849), (1017, 28119), (1339, 21357), (1469, 19467), (2163, 13221), (2373, 12051), (2457, 11639), (2781, 10283), (3051, 9373), (4017, 7119), (4407, 6489)]