68172741

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 128656320

約数和(自身を除く): 60483579

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 169, 171, 247, 273, 337, 399, 507, 741, 819, 1011, 1183, 1197, 1521, 1729, 2223, 2359, 3033, 3211, 3549, 4381, 5187, 6403, 7077, 9633, 10647, 13143, 15561, 19209, 21231, 22477, 28899, 30667, 39429, 44821, 56953, 57627, 67431, 83239, 92001, 134463, 170859, 202293, 249717, 276003, 398671, 403389, 512577, 582673, 749151, 1082107, 1196013, 1748019, 3246321, 3588039, 5244057, 7574749, 9738963, 22724247, 68172741]

約数ペア:

[(1, 68172741), (3, 22724247), (7, 9738963), (9, 7574749), (13, 5244057), (19, 3588039), (21, 3246321), (39, 1748019), (57, 1196013), (63, 1082107), (91, 749151), (117, 582673), (133, 512577), (169, 403389), (171, 398671), (247, 276003), (273, 249717), (337, 202293), (399, 170859), (507, 134463), (741, 92001), (819, 83239), (1011, 67431), (1183, 57627), (1197, 56953), (1521, 44821), (1729, 39429), (2223, 30667), (2359, 28899), (3033, 22477), (3211, 21231), (3549, 19209), (4381, 15561), (5187, 13143), (6403, 10647), (7077, 9633)]