1687366989

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{6563}}^1$

素因数の和:6647

約数の個数: 72

約数和(自身を含む): 3151822752

約数和(自身を除く): 1464455763

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 53, 63, 77, 99, 147, 159, 231, 371, 441, 477, 539, 583, 693, 1113, 1617, 1749, 2597, 3339, 4081, 4851, 5247, 6563, 7791, 12243, 19689, 23373, 28567, 36729, 45941, 59067, 72193, 85701, 137823, 216579, 257103, 321587, 347839, 413469, 505351, 649737, 964761, 1043517, 1516053, 2434873, 2894283, 3130551, 3537457, 3826229, 4548159, 7304619, 10612371, 11478687, 17044111, 21913857, 26783603, 31837113, 34436061, 51132333, 80350809, 153396999, 187485221, 241052427, 562455663, 1687366989]

約数ペア:

[(1, 1687366989), (3, 562455663), (7, 241052427), (9, 187485221), (11, 153396999), (21, 80350809), (33, 51132333), (49, 34436061), (53, 31837113), (63, 26783603), (77, 21913857), (99, 17044111), (147, 11478687), (159, 10612371), (231, 7304619), (371, 4548159), (441, 3826229), (477, 3537457), (539, 3130551), (583, 2894283), (693, 2434873), (1113, 1516053), (1617, 1043517), (1749, 964761), (2597, 649737), (3339, 505351), (4081, 413469), (4851, 347839), (5247, 321587), (6563, 257103), (7791, 216579), (12243, 137823), (19689, 85701), (23373, 72193), (28567, 59067), (36729, 45941)]