12912039

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 24186240

約数和(自身を除く): 11274201

約数列:

[1, 3, 7, 9, 19, 21, 23, 49, 57, 63, 67, 69, 133, 147, 161, 171, 201, 207, 399, 437, 441, 469, 483, 603, 931, 1127, 1197, 1273, 1311, 1407, 1449, 1541, 2793, 3059, 3283, 3381, 3819, 3933, 4221, 4623, 8379, 8911, 9177, 9849, 10143, 10787, 11457, 13869, 21413, 26733, 27531, 29279, 29547, 32361, 62377, 64239, 75509, 80199, 87837, 97083, 187131, 192717, 204953, 226527, 263511, 561393, 614859, 679581, 1434671, 1844577, 4304013, 12912039]

約数ペア:

[(1, 12912039), (3, 4304013), (7, 1844577), (9, 1434671), (19, 679581), (21, 614859), (23, 561393), (49, 263511), (57, 226527), (63, 204953), (67, 192717), (69, 187131), (133, 97083), (147, 87837), (161, 80199), (171, 75509), (201, 64239), (207, 62377), (399, 32361), (437, 29547), (441, 29279), (469, 27531), (483, 26733), (603, 21413), (931, 13869), (1127, 11457), (1197, 10787), (1273, 10143), (1311, 9849), (1407, 9177), (1449, 8911), (1541, 8379), (2793, 4623), (3059, 4221), (3283, 3933), (3381, 3819)]