8709309

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 15595200

約数和(自身を除く): 6885891

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 189, 203, 227, 261, 441, 609, 681, 783, 1323, 1421, 1589, 1827, 2043, 4263, 4767, 5481, 6129, 6583, 11123, 12789, 14301, 19749, 33369, 38367, 42903, 46081, 59247, 100107, 138243, 177741, 300321, 322567, 414729, 967701, 1244187, 2903103, 8709309]

約数ペア:

[(1, 8709309), (3, 2903103), (7, 1244187), (9, 967701), (21, 414729), (27, 322567), (29, 300321), (49, 177741), (63, 138243), (87, 100107), (147, 59247), (189, 46081), (203, 42903), (227, 38367), (261, 33369), (441, 19749), (609, 14301), (681, 12789), (783, 11123), (1323, 6583), (1421, 6129), (1589, 5481), (1827, 4767), (2043, 4263)]