28247373

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:684

約数の個数: 60

約数和(自身を含む): 53631072

約数和(自身を除く): 25383699

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 231, 297, 441, 539, 567, 647, 693, 891, 1323, 1617, 1941, 2079, 3969, 4529, 4851, 5823, 6237, 7117, 13587, 14553, 17469, 21351, 31703, 40761, 43659, 49819, 52407, 64053, 95109, 122283, 149457, 192159, 285327, 348733, 366849, 448371, 576477, 855981, 1046199, 1345113, 2567943, 3138597, 4035339, 9415791, 28247373]

約数ペア:

[(1, 28247373), (3, 9415791), (7, 4035339), (9, 3138597), (11, 2567943), (21, 1345113), (27, 1046199), (33, 855981), (49, 576477), (63, 448371), (77, 366849), (81, 348733), (99, 285327), (147, 192159), (189, 149457), (231, 122283), (297, 95109), (441, 64053), (539, 52407), (567, 49819), (647, 43659), (693, 40761), (891, 31703), (1323, 21351), (1617, 17469), (1941, 14553), (2079, 13587), (3969, 7117), (4529, 6237), (4851, 5823)]