680001309

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{11789}}^1$

素因数の和:11854

約数の個数: 48

約数和(自身を含む): 1158721200

約数和(自身を除く): 478719891

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 87, 117, 153, 221, 261, 377, 493, 663, 1131, 1479, 1989, 3393, 4437, 6409, 11789, 19227, 35367, 57681, 106101, 153257, 200413, 341881, 459771, 601239, 1025643, 1379313, 1803717, 2605369, 3076929, 4444453, 5811977, 7816107, 13333359, 17435931, 23448321, 40000077, 52307793, 75555701, 226667103, 680001309]

約数ペア:

[(1, 680001309), (3, 226667103), (9, 75555701), (13, 52307793), (17, 40000077), (29, 23448321), (39, 17435931), (51, 13333359), (87, 7816107), (117, 5811977), (153, 4444453), (221, 3076929), (261, 2605369), (377, 1803717), (493, 1379313), (663, 1025643), (1131, 601239), (1479, 459771), (1989, 341881), (3393, 200413), (4437, 153257), (6409, 106101), (11789, 57681), (19227, 35367)]