28010097975

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1381}}^1\times {\mathrm{7309}}^1$

素因数の和:8740

約数の個数: 48

約数和(自身を含む): 47602603040

約数和(自身を除く): 19592505065

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 555, 925, 1381, 2775, 4143, 6905, 7309, 20715, 21927, 34525, 36545, 51097, 103575, 109635, 153291, 182725, 255485, 270433, 548175, 766455, 811299, 1277425, 1352165, 3832275, 4056495, 6760825, 10093729, 20282475, 30281187, 50468645, 151405935, 252343225, 373467973, 757029675, 1120403919, 1867339865, 5602019595, 9336699325, 28010097975]

約数ペア:

[(1, 28010097975), (3, 9336699325), (5, 5602019595), (15, 1867339865), (25, 1120403919), (37, 757029675), (75, 373467973), (111, 252343225), (185, 151405935), (555, 50468645), (925, 30281187), (1381, 20282475), (2775, 10093729), (4143, 6760825), (6905, 4056495), (7309, 3832275), (20715, 1352165), (21927, 1277425), (34525, 811299), (36545, 766455), (51097, 548175), (103575, 270433), (109635, 255485), (153291, 182725)]