6986889

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 13104000

約数和(自身を除く): 6117111

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 449, 741, 819, 1197, 1347, 1729, 2223, 3143, 4041, 5187, 5837, 8531, 9429, 15561, 17511, 25593, 28287, 40859, 52533, 59717, 76779, 110903, 122577, 179151, 332709, 367731, 537453, 776321, 998127, 2328963, 6986889]

約数ペア:

[(1, 6986889), (3, 2328963), (7, 998127), (9, 776321), (13, 537453), (19, 367731), (21, 332709), (39, 179151), (57, 122577), (63, 110903), (91, 76779), (117, 59717), (133, 52533), (171, 40859), (247, 28287), (273, 25593), (399, 17511), (449, 15561), (741, 9429), (819, 8531), (1197, 5837), (1347, 5187), (1729, 4041), (2223, 3143)]