42689241

素因数分解:

$3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 75458880

約数和(自身を除く): 32769639

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 123, 147, 189, 287, 369, 441, 787, 861, 1107, 1323, 2009, 2361, 2583, 5509, 6027, 7083, 7749, 16527, 18081, 21249, 32267, 38563, 49581, 54243, 96801, 115689, 148743, 225869, 290403, 347067, 677607, 871209, 1041201, 1581083, 2032821, 4743249, 6098463, 14229747, 42689241]

約数ペア:

[(1, 42689241), (3, 14229747), (7, 6098463), (9, 4743249), (21, 2032821), (27, 1581083), (41, 1041201), (49, 871209), (63, 677607), (123, 347067), (147, 290403), (189, 225869), (287, 148743), (369, 115689), (441, 96801), (787, 54243), (861, 49581), (1107, 38563), (1323, 32267), (2009, 21249), (2361, 18081), (2583, 16527), (5509, 7749), (6027, 7083)]