28185003

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4519}}^1$

素因数の和:4549

約数の個数: 40

約数和(自身を含む): 52504320

約数和(自身を除く): 24319317

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 4519, 6237, 13557, 31633, 40671, 49709, 94899, 122013, 149127, 284697, 347963, 366039, 447381, 854091, 1043889, 1342143, 2562273, 3131667, 4026429, 9395001, 28185003]

約数ペア:

[(1, 28185003), (3, 9395001), (7, 4026429), (9, 3131667), (11, 2562273), (21, 1342143), (27, 1043889), (33, 854091), (63, 447381), (77, 366039), (81, 347963), (99, 284697), (189, 149127), (231, 122013), (297, 94899), (567, 49709), (693, 40671), (891, 31633), (2079, 13557), (4519, 6237)]