289173549

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 489032640

約数和(自身を除く): 199859091

約数列:

[1, 3, 7, 21, 23, 31, 49, 69, 89, 93, 147, 161, 217, 267, 483, 623, 651, 713, 961, 1127, 1519, 1869, 2047, 2139, 2759, 2883, 3381, 4361, 4557, 4991, 6141, 6727, 8277, 13083, 14329, 14973, 19313, 20181, 22103, 34937, 42987, 47089, 57939, 63457, 66309, 85529, 100303, 104811, 135191, 141267, 154721, 190371, 256587, 300909, 405573, 444199, 464163, 598703, 1083047, 1332597, 1796109, 1967167, 3109393, 3249141, 4190921, 5901501, 9328179, 12572763, 13770169, 41310507, 96391183, 289173549]

約数ペア:

[(1, 289173549), (3, 96391183), (7, 41310507), (21, 13770169), (23, 12572763), (31, 9328179), (49, 5901501), (69, 4190921), (89, 3249141), (93, 3109393), (147, 1967167), (161, 1796109), (217, 1332597), (267, 1083047), (483, 598703), (623, 464163), (651, 444199), (713, 405573), (961, 300909), (1127, 256587), (1519, 190371), (1869, 154721), (2047, 141267), (2139, 135191), (2759, 104811), (2883, 100303), (3381, 85529), (4361, 66309), (4557, 63457), (4991, 57939), (6141, 47089), (6727, 42987), (8277, 34937), (13083, 22103), (14329, 20181), (14973, 19313)]