9997911

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:266

約数の個数: 60

約数和(自身を含む): 19035720

約数和(自身を除く): 9037809

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 229, 231, 297, 441, 539, 567, 687, 693, 891, 1323, 1603, 1617, 2061, 2079, 2519, 3969, 4809, 4851, 6183, 6237, 7557, 11221, 14427, 14553, 17633, 18549, 22671, 33663, 43281, 43659, 52899, 68013, 100989, 123431, 129843, 158697, 204039, 302967, 370293, 476091, 908901, 1110879, 1428273, 3332637, 9997911]

約数ペア:

[(1, 9997911), (3, 3332637), (7, 1428273), (9, 1110879), (11, 908901), (21, 476091), (27, 370293), (33, 302967), (49, 204039), (63, 158697), (77, 129843), (81, 123431), (99, 100989), (147, 68013), (189, 52899), (229, 43659), (231, 43281), (297, 33663), (441, 22671), (539, 18549), (567, 17633), (687, 14553), (693, 14427), (891, 11221), (1323, 7557), (1603, 6237), (1617, 6183), (2061, 4851), (2079, 4809), (2519, 3969)]