128436686721

素因数分解:

$3^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{977}}^1\times {\mathrm{1993}}^1$

素因数の和:3335

約数の個数: 64

約数和(自身を含む): 218414784000

約数和(自身を除く): 89978097279

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 349, 977, 1047, 1993, 2443, 2931, 3141, 5979, 6839, 7329, 8793, 9423, 13951, 17937, 20517, 21987, 26379, 41853, 53811, 61551, 65961, 125559, 184653, 340973, 376677, 695557, 1022919, 1947161, 2086671, 2386811, 3068757, 4868899, 5841483, 6260013, 7160433, 9206271, 13630127, 14606697, 17524449, 18780039, 21481299, 40890381, 43820091, 52573347, 64443897, 122671143, 131460273, 368013429, 679559189, 2038677567, 4756914323, 6116032701, 14270742969, 18348098103, 42812228907, 128436686721]

約数ペア:

[(1, 128436686721), (3, 42812228907), (7, 18348098103), (9, 14270742969), (21, 6116032701), (27, 4756914323), (63, 2038677567), (189, 679559189), (349, 368013429), (977, 131460273), (1047, 122671143), (1993, 64443897), (2443, 52573347), (2931, 43820091), (3141, 40890381), (5979, 21481299), (6839, 18780039), (7329, 17524449), (8793, 14606697), (9423, 13630127), (13951, 9206271), (17937, 7160433), (20517, 6260013), (21987, 5841483), (26379, 4868899), (41853, 3068757), (53811, 2386811), (61551, 2086671), (65961, 1947161), (125559, 1022919), (184653, 695557), (340973, 376677)]