28506093

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 52077024

約数和(自身を除く): 23570931

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 61, 77, 119, 147, 183, 187, 231, 289, 357, 427, 539, 561, 671, 833, 867, 1037, 1281, 1309, 1617, 2013, 2023, 2499, 2989, 3111, 3179, 3927, 4697, 6069, 7259, 8967, 9163, 9537, 11407, 14091, 14161, 17629, 21777, 22253, 27489, 32879, 34221, 42483, 50813, 52887, 66759, 79849, 98637, 123403, 152439, 155771, 193919, 239547, 370209, 467313, 558943, 581757, 863821, 1357433, 1676829, 2591463, 4072299, 9502031, 28506093]

約数ペア:

[(1, 28506093), (3, 9502031), (7, 4072299), (11, 2591463), (17, 1676829), (21, 1357433), (33, 863821), (49, 581757), (51, 558943), (61, 467313), (77, 370209), (119, 239547), (147, 193919), (183, 155771), (187, 152439), (231, 123403), (289, 98637), (357, 79849), (427, 66759), (539, 52887), (561, 50813), (671, 42483), (833, 34221), (867, 32879), (1037, 27489), (1281, 22253), (1309, 21777), (1617, 17629), (2013, 14161), (2023, 14091), (2499, 11407), (2989, 9537), (3111, 9163), (3179, 8967), (3927, 7259), (4697, 6069)]