51330951

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 93354144

約数和(自身を除く): 42023193

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 61, 63, 111, 133, 171, 183, 259, 333, 361, 399, 427, 549, 703, 777, 1083, 1159, 1197, 1281, 2109, 2257, 2331, 2527, 3249, 3477, 3843, 4921, 6327, 6771, 7581, 8113, 10431, 13357, 14763, 15799, 20313, 22021, 22743, 24339, 40071, 42883, 44289, 47397, 66063, 73017, 93499, 120213, 128649, 142191, 154147, 198189, 280497, 300181, 385947, 462441, 814777, 841491, 900543, 1387323, 2444331, 2701629, 5703439, 7332993, 17110317, 51330951]

約数ペア:

[(1, 51330951), (3, 17110317), (7, 7332993), (9, 5703439), (19, 2701629), (21, 2444331), (37, 1387323), (57, 900543), (61, 841491), (63, 814777), (111, 462441), (133, 385947), (171, 300181), (183, 280497), (259, 198189), (333, 154147), (361, 142191), (399, 128649), (427, 120213), (549, 93499), (703, 73017), (777, 66063), (1083, 47397), (1159, 44289), (1197, 42883), (1281, 40071), (2109, 24339), (2257, 22743), (2331, 22021), (2527, 20313), (3249, 15799), (3477, 14763), (3843, 13357), (4921, 10431), (6327, 8113), (6771, 7581)]