15513876

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{20521}}^1$

素因数の和:20541

約数の個数: 48

約数和(自身を含む): 45969280

約数和(自身を除く): 30455404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 20521, 41042, 61563, 82084, 123126, 143647, 184689, 246252, 287294, 369378, 430941, 554067, 574588, 738756, 861882, 1108134, 1292823, 1723764, 2216268, 2585646, 3878469, 5171292, 7756938, 15513876]

約数ペア:

[(1, 15513876), (2, 7756938), (3, 5171292), (4, 3878469), (6, 2585646), (7, 2216268), (9, 1723764), (12, 1292823), (14, 1108134), (18, 861882), (21, 738756), (27, 574588), (28, 554067), (36, 430941), (42, 369378), (54, 287294), (63, 246252), (84, 184689), (108, 143647), (126, 123126), (189, 82084), (252, 61563), (378, 41042), (756, 20521)]