87913749

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 157704192

約数和(自身を除く): 69790443

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 61, 77, 119, 183, 187, 231, 357, 367, 427, 561, 671, 1037, 1101, 1281, 1309, 2013, 2569, 3111, 3927, 4037, 4697, 6239, 7259, 7707, 11407, 12111, 14091, 18717, 21777, 22387, 28259, 34221, 43673, 67161, 68629, 79849, 84777, 131019, 156709, 205887, 239547, 246257, 380579, 470127, 480403, 738771, 1141737, 1441209, 1723799, 2664053, 4186369, 5171397, 7992159, 12559107, 29304583, 87913749]

約数ペア:

[(1, 87913749), (3, 29304583), (7, 12559107), (11, 7992159), (17, 5171397), (21, 4186369), (33, 2664053), (51, 1723799), (61, 1441209), (77, 1141737), (119, 738771), (183, 480403), (187, 470127), (231, 380579), (357, 246257), (367, 239547), (427, 205887), (561, 156709), (671, 131019), (1037, 84777), (1101, 79849), (1281, 68629), (1309, 67161), (2013, 43673), (2569, 34221), (3111, 28259), (3927, 22387), (4037, 21777), (4697, 18717), (6239, 14091), (7259, 12111), (7707, 11407)]