8251551

素因数分解:

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

素因数の和:53

約数の個数: 64

約数和(自身を含む): 15744000

約数和(自身を除く): 7492449

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 231, 243, 297, 343, 441, 539, 567, 693, 729, 891, 1029, 1323, 1617, 1701, 2079, 2187, 2673, 3087, 3773, 3969, 4851, 5103, 6237, 8019, 9261, 11319, 11907, 14553, 15309, 18711, 24057, 27783, 33957, 35721, 43659, 56133, 83349, 101871, 107163, 130977, 168399, 250047, 305613, 392931, 750141, 916839, 1178793, 2750517, 8251551]

約数ペア:

[(1, 8251551), (3, 2750517), (7, 1178793), (9, 916839), (11, 750141), (21, 392931), (27, 305613), (33, 250047), (49, 168399), (63, 130977), (77, 107163), (81, 101871), (99, 83349), (147, 56133), (189, 43659), (231, 35721), (243, 33957), (297, 27783), (343, 24057), (441, 18711), (539, 15309), (567, 14553), (693, 11907), (729, 11319), (891, 9261), (1029, 8019), (1323, 6237), (1617, 5103), (1701, 4851), (2079, 3969), (2187, 3773), (2673, 3087)]