20153973123

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 32335220736

約数和(自身を除く): 12181247613

約数列:

[1, 3, 9, 23, 27, 67, 69, 81, 107, 201, 207, 243, 321, 503, 603, 621, 963, 1509, 1541, 1809, 1863, 2461, 2889, 4527, 4623, 5427, 5589, 7169, 7383, 8667, 11569, 13581, 13869, 16281, 21507, 22149, 26001, 33701, 34707, 40743, 41607, 53821, 64521, 66447, 101103, 104121, 122229, 124821, 161463, 164887, 193563, 199341, 303309, 312363, 374463, 484389, 494661, 580689, 598023, 775123, 909927, 937089, 1237883, 1453167, 1483983, 1742067, 2325369, 2729781, 2811267, 3606007, 3713649, 4359501, 4451949, 6976107, 8189343, 10818021, 11140947, 13078503, 13355847, 20928321, 32454063, 33422841, 40067541, 62784963, 82938161, 97362189, 100268523, 188354889, 248814483, 292086567, 300805569, 746443449, 876259701, 2239330347, 6717991041, 20153973123]

約数ペア:

[(1, 20153973123), (3, 6717991041), (9, 2239330347), (23, 876259701), (27, 746443449), (67, 300805569), (69, 292086567), (81, 248814483), (107, 188354889), (201, 100268523), (207, 97362189), (243, 82938161), (321, 62784963), (503, 40067541), (603, 33422841), (621, 32454063), (963, 20928321), (1509, 13355847), (1541, 13078503), (1809, 11140947), (1863, 10818021), (2461, 8189343), (2889, 6976107), (4527, 4451949), (4623, 4359501), (5427, 3713649), (5589, 3606007), (7169, 2811267), (7383, 2729781), (8667, 2325369), (11569, 1742067), (13581, 1483983), (13869, 1453167), (16281, 1237883), (21507, 937089), (22149, 909927), (26001, 775123), (33701, 598023), (34707, 580689), (40743, 494661), (41607, 484389), (53821, 374463), (64521, 312363), (66447, 303309), (101103, 199341), (104121, 193563), (122229, 164887), (124821, 161463)]