28517265

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{479}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 59754240

約数和(自身を除く): 31236975

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 315, 405, 441, 479, 567, 735, 945, 1215, 1323, 1437, 1701, 2205, 2395, 2835, 3353, 3969, 4311, 6615, 7185, 8505, 10059, 11907, 12933, 16765, 19845, 21555, 23471, 30177, 38799, 50295, 59535, 64665, 70413, 90531, 116397, 117355, 150885, 193995, 211239, 271593, 352065, 452655, 581985, 633717, 814779, 1056195, 1357965, 1901151, 3168585, 4073895, 5703453, 9505755, 28517265]

約数ペア:

[(1, 28517265), (3, 9505755), (5, 5703453), (7, 4073895), (9, 3168585), (15, 1901151), (21, 1357965), (27, 1056195), (35, 814779), (45, 633717), (49, 581985), (63, 452655), (81, 352065), (105, 271593), (135, 211239), (147, 193995), (189, 150885), (243, 117355), (245, 116397), (315, 90531), (405, 70413), (441, 64665), (479, 59535), (567, 50295), (735, 38799), (945, 30177), (1215, 23471), (1323, 21555), (1437, 19845), (1701, 16765), (2205, 12933), (2395, 11907), (2835, 10059), (3353, 8505), (3969, 7185), (4311, 6615)]