2139291

素因数分解:

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

素因数の和:51

約数の個数: 50

約数和(自身を含む): 4067052

約数和(自身を除く): 1927761

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 231, 297, 343, 441, 539, 567, 693, 891, 1029, 1323, 1617, 2079, 2401, 3087, 3773, 3969, 4851, 6237, 7203, 9261, 11319, 14553, 21609, 26411, 27783, 33957, 43659, 64827, 79233, 101871, 194481, 237699, 305613, 713097, 2139291]

約数ペア:

[(1, 2139291), (3, 713097), (7, 305613), (9, 237699), (11, 194481), (21, 101871), (27, 79233), (33, 64827), (49, 43659), (63, 33957), (77, 27783), (81, 26411), (99, 21609), (147, 14553), (189, 11319), (231, 9261), (297, 7203), (343, 6237), (441, 4851), (539, 3969), (567, 3773), (693, 3087), (891, 2401), (1029, 2079), (1323, 1617)]