28068027

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 44271360

約数和(自身を除く): 16203333

約数列:

[1, 3, 13, 23, 29, 39, 69, 83, 87, 169, 249, 299, 377, 507, 667, 897, 1079, 1131, 1909, 2001, 2407, 3237, 3887, 4901, 5727, 7221, 8671, 11661, 14027, 14703, 24817, 26013, 31291, 42081, 55361, 74451, 93873, 112723, 166083, 322621, 338169, 406783, 719693, 967863, 1220349, 2159079, 9356009, 28068027]

約数ペア:

[(1, 28068027), (3, 9356009), (13, 2159079), (23, 1220349), (29, 967863), (39, 719693), (69, 406783), (83, 338169), (87, 322621), (169, 166083), (249, 112723), (299, 93873), (377, 74451), (507, 55361), (667, 42081), (897, 31291), (1079, 26013), (1131, 24817), (1909, 14703), (2001, 14027), (2407, 11661), (3237, 8671), (3887, 7221), (4901, 5727)]