219098979

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 373248000

約数和(自身を除く): 154149021

約数列:

[1, 3, 9, 11, 27, 31, 33, 53, 93, 99, 159, 279, 297, 341, 449, 477, 583, 837, 1023, 1347, 1431, 1643, 1749, 3069, 4041, 4929, 4939, 5247, 9207, 12123, 13919, 14787, 14817, 15741, 18073, 23797, 41757, 44361, 44451, 54219, 71391, 125271, 133353, 153109, 162657, 214173, 261767, 375813, 459327, 487971, 642519, 737707, 785301, 1377981, 2213121, 2355903, 4133943, 6639363, 7067709, 8114777, 19918089, 24344331, 73032993, 219098979]

約数ペア:

[(1, 219098979), (3, 73032993), (9, 24344331), (11, 19918089), (27, 8114777), (31, 7067709), (33, 6639363), (53, 4133943), (93, 2355903), (99, 2213121), (159, 1377981), (279, 785301), (297, 737707), (341, 642519), (449, 487971), (477, 459327), (583, 375813), (837, 261767), (1023, 214173), (1347, 162657), (1431, 153109), (1643, 133353), (1749, 125271), (3069, 71391), (4041, 54219), (4929, 44451), (4939, 44361), (5247, 41757), (9207, 23797), (12123, 18073), (13919, 15741), (14787, 14817)]