42972867

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 75229440

約数和(自身を除く): 32256573

約数列:

[1, 3, 7, 9, 21, 29, 43, 63, 87, 129, 203, 261, 301, 387, 547, 609, 903, 1247, 1641, 1827, 2709, 3741, 3829, 4923, 8729, 11223, 11487, 15863, 23521, 26187, 34461, 47589, 70563, 78561, 111041, 142767, 164647, 211689, 333123, 493941, 682109, 999369, 1481823, 2046327, 4774763, 6138981, 14324289, 42972867]

約数ペア:

[(1, 42972867), (3, 14324289), (7, 6138981), (9, 4774763), (21, 2046327), (29, 1481823), (43, 999369), (63, 682109), (87, 493941), (129, 333123), (203, 211689), (261, 164647), (301, 142767), (387, 111041), (547, 78561), (609, 70563), (903, 47589), (1247, 34461), (1641, 26187), (1827, 23521), (2709, 15863), (3741, 11487), (3829, 11223), (4923, 8729)]