25283709

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 42928704

約数和(自身を除く): 17644995

約数列:

[1, 3, 9, 11, 17, 33, 51, 83, 99, 153, 181, 187, 249, 543, 561, 747, 913, 1411, 1629, 1683, 1991, 2739, 3077, 4233, 5973, 8217, 9231, 12699, 15023, 15521, 17919, 27693, 33847, 45069, 46563, 101541, 135207, 139689, 165253, 255391, 304623, 495759, 766173, 1487277, 2298519, 2809301, 8427903, 25283709]

約数ペア:

[(1, 25283709), (3, 8427903), (9, 2809301), (11, 2298519), (17, 1487277), (33, 766173), (51, 495759), (83, 304623), (99, 255391), (153, 165253), (181, 139689), (187, 135207), (249, 101541), (543, 46563), (561, 45069), (747, 33847), (913, 27693), (1411, 17919), (1629, 15521), (1683, 15023), (1991, 12699), (2739, 9231), (3077, 8217), (4233, 5973)]