12884991

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 21625344

約数和(自身を除く): 8740353

約数列:

[1, 3, 7, 21, 23, 37, 49, 69, 103, 111, 147, 161, 259, 309, 483, 721, 777, 851, 1127, 1813, 2163, 2369, 2553, 3381, 3811, 5047, 5439, 5957, 7107, 11433, 15141, 16583, 17871, 26677, 41699, 49749, 80031, 87653, 116081, 125097, 186739, 262959, 348243, 560217, 613571, 1840713, 4294997, 12884991]

約数ペア:

[(1, 12884991), (3, 4294997), (7, 1840713), (21, 613571), (23, 560217), (37, 348243), (49, 262959), (69, 186739), (103, 125097), (111, 116081), (147, 87653), (161, 80031), (259, 49749), (309, 41699), (483, 26677), (721, 17871), (777, 16583), (851, 15141), (1127, 11433), (1813, 7107), (2163, 5957), (2369, 5439), (2553, 5047), (3381, 3811)]