81647685

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 174320640

約数和(自身を除く): 92672955

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 79, 85, 105, 119, 153, 193, 237, 255, 315, 357, 395, 553, 579, 595, 711, 765, 965, 1071, 1185, 1343, 1351, 1659, 1737, 1785, 2765, 2895, 3281, 3555, 4029, 4053, 4977, 5355, 6715, 6755, 8295, 8685, 9401, 9843, 12087, 12159, 15247, 16405, 20145, 20265, 22967, 24885, 28203, 29529, 45741, 47005, 49215, 60435, 60795, 68901, 76235, 84609, 106729, 114835, 137223, 141015, 147645, 206703, 228705, 259199, 320187, 344505, 423045, 533645, 686115, 777597, 960561, 1033515, 1295995, 1600935, 1814393, 2332791, 3887985, 4802805, 5443179, 9071965, 11663955, 16329537, 27215895, 81647685]

約数ペア:

[(1, 81647685), (3, 27215895), (5, 16329537), (7, 11663955), (9, 9071965), (15, 5443179), (17, 4802805), (21, 3887985), (35, 2332791), (45, 1814393), (51, 1600935), (63, 1295995), (79, 1033515), (85, 960561), (105, 777597), (119, 686115), (153, 533645), (193, 423045), (237, 344505), (255, 320187), (315, 259199), (357, 228705), (395, 206703), (553, 147645), (579, 141015), (595, 137223), (711, 114835), (765, 106729), (965, 84609), (1071, 76235), (1185, 68901), (1343, 60795), (1351, 60435), (1659, 49215), (1737, 47005), (1785, 45741), (2765, 29529), (2895, 28203), (3281, 24885), (3555, 22967), (4029, 20265), (4053, 20145), (4977, 16405), (5355, 15247), (6715, 12159), (6755, 12087), (8295, 9843), (8685, 9401)]