1941723

素因数分解:

$3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 3556800

約数和(自身を除く): 1615077

約数列:

[1, 3, 7, 9, 17, 21, 37, 49, 51, 63, 111, 119, 147, 153, 259, 333, 343, 357, 441, 629, 777, 833, 1029, 1071, 1813, 1887, 2331, 2499, 3087, 4403, 5439, 5661, 5831, 7497, 12691, 13209, 16317, 17493, 30821, 38073, 39627, 52479, 92463, 114219, 215747, 277389, 647241, 1941723]

約数ペア:

[(1, 1941723), (3, 647241), (7, 277389), (9, 215747), (17, 114219), (21, 92463), (37, 52479), (49, 39627), (51, 38073), (63, 30821), (111, 17493), (119, 16317), (147, 13209), (153, 12691), (259, 7497), (333, 5831), (343, 5661), (357, 5439), (441, 4403), (629, 3087), (777, 2499), (833, 2331), (1029, 1887), (1071, 1813)]