2015831205

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{97}}^2$

素因数の和:257

約数の個数: 90

約数和(自身を含む): 3816851346

約数和(自身を除く): 1801020141

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 97, 115, 135, 207, 291, 345, 405, 485, 529, 621, 873, 1035, 1455, 1587, 1863, 2231, 2619, 2645, 3105, 4365, 4761, 6693, 7857, 7935, 9315, 9409, 11155, 13095, 14283, 20079, 23805, 28227, 33465, 39285, 42849, 47045, 51313, 60237, 71415, 84681, 100395, 141135, 153939, 180711, 214245, 216407, 254043, 256565, 301185, 423405, 461817, 649221, 762129, 769695, 903555, 1082035, 1270215, 1385451, 1947663, 2309085, 3246105, 3810645, 4156353, 4977361, 5842989, 6927255, 9738315, 14932083, 17528967, 20781765, 24886805, 29214945, 44796249, 74660415, 87644835, 134388747, 223981245, 403166241, 671943735, 2015831205]

約数ペア:

[(1, 2015831205), (3, 671943735), (5, 403166241), (9, 223981245), (15, 134388747), (23, 87644835), (27, 74660415), (45, 44796249), (69, 29214945), (81, 24886805), (97, 20781765), (115, 17528967), (135, 14932083), (207, 9738315), (291, 6927255), (345, 5842989), (405, 4977361), (485, 4156353), (529, 3810645), (621, 3246105), (873, 2309085), (1035, 1947663), (1455, 1385451), (1587, 1270215), (1863, 1082035), (2231, 903555), (2619, 769695), (2645, 762129), (3105, 649221), (4365, 461817), (4761, 423405), (6693, 301185), (7857, 256565), (7935, 254043), (9315, 216407), (9409, 214245), (11155, 180711), (13095, 153939), (14283, 141135), (20079, 100395), (23805, 84681), (28227, 71415), (33465, 60237), (39285, 51313), (42849, 47045)]