51987705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 115015680

約数和(自身を除く): 63027975

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 23, 33, 35, 55, 57, 69, 77, 95, 103, 105, 115, 133, 161, 165, 209, 231, 253, 285, 309, 345, 385, 399, 437, 483, 515, 627, 665, 721, 759, 805, 1045, 1133, 1155, 1265, 1311, 1463, 1545, 1771, 1957, 1995, 2163, 2185, 2369, 2415, 3059, 3135, 3399, 3605, 3795, 4389, 4807, 5313, 5665, 5871, 6555, 7107, 7315, 7931, 8855, 9177, 9785, 10815, 11845, 13699, 14421, 15295, 16583, 16995, 21527, 21945, 23793, 24035, 26059, 26565, 29355, 33649, 35535, 39655, 41097, 45011, 45885, 49749, 64581, 68495, 72105, 78177, 82915, 100947, 107635, 118965, 130295, 135033, 150689, 168245, 182413, 205485, 225055, 248745, 315077, 322905, 390885, 452067, 495121, 504735, 547239, 675165, 753445, 912065, 945231, 1485363, 1575385, 2260335, 2475605, 2736195, 3465847, 4726155, 7426815, 10397541, 17329235, 51987705]

約数ペア:

[(1, 51987705), (3, 17329235), (5, 10397541), (7, 7426815), (11, 4726155), (15, 3465847), (19, 2736195), (21, 2475605), (23, 2260335), (33, 1575385), (35, 1485363), (55, 945231), (57, 912065), (69, 753445), (77, 675165), (95, 547239), (103, 504735), (105, 495121), (115, 452067), (133, 390885), (161, 322905), (165, 315077), (209, 248745), (231, 225055), (253, 205485), (285, 182413), (309, 168245), (345, 150689), (385, 135033), (399, 130295), (437, 118965), (483, 107635), (515, 100947), (627, 82915), (665, 78177), (721, 72105), (759, 68495), (805, 64581), (1045, 49749), (1133, 45885), (1155, 45011), (1265, 41097), (1311, 39655), (1463, 35535), (1545, 33649), (1771, 29355), (1957, 26565), (1995, 26059), (2163, 24035), (2185, 23793), (2369, 21945), (2415, 21527), (3059, 16995), (3135, 16583), (3399, 15295), (3605, 14421), (3795, 13699), (4389, 11845), (4807, 10815), (5313, 9785), (5665, 9177), (5871, 8855), (6555, 7931), (7107, 7315)]