51994719

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 89989120

約数和(自身を除く): 37994401

約数列:

[1, 3, 7, 9, 21, 31, 63, 79, 93, 217, 237, 279, 337, 553, 651, 711, 1011, 1659, 1953, 2359, 2449, 3033, 4977, 7077, 7347, 10447, 17143, 21231, 22041, 26623, 31341, 51429, 73129, 79869, 94023, 154287, 186361, 219387, 239607, 559083, 658161, 825313, 1677249, 2475939, 5777191, 7427817, 17331573, 51994719]

約数ペア:

[(1, 51994719), (3, 17331573), (7, 7427817), (9, 5777191), (21, 2475939), (31, 1677249), (63, 825313), (79, 658161), (93, 559083), (217, 239607), (237, 219387), (279, 186361), (337, 154287), (553, 94023), (651, 79869), (711, 73129), (1011, 51429), (1659, 31341), (1953, 26623), (2359, 22041), (2449, 21231), (3033, 17143), (4977, 10447), (7077, 7347)]