39742209

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 69371640

約数和(自身を除く): 29629431

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 53, 87, 117, 153, 159, 169, 221, 261, 377, 477, 493, 507, 663, 689, 901, 1131, 1479, 1521, 1537, 1989, 2067, 2703, 2873, 3393, 4437, 4611, 4901, 6201, 6409, 8109, 8619, 8957, 11713, 13833, 14703, 19227, 19981, 25857, 26129, 26871, 35139, 44109, 57681, 59943, 78387, 80613, 83317, 105417, 152269, 179829, 235161, 249951, 259753, 339677, 456807, 749853, 779259, 1019031, 1370421, 2337777, 3057093, 4415801, 13247403, 39742209]

約数ペア:

[(1, 39742209), (3, 13247403), (9, 4415801), (13, 3057093), (17, 2337777), (29, 1370421), (39, 1019031), (51, 779259), (53, 749853), (87, 456807), (117, 339677), (153, 259753), (159, 249951), (169, 235161), (221, 179829), (261, 152269), (377, 105417), (477, 83317), (493, 80613), (507, 78387), (663, 59943), (689, 57681), (901, 44109), (1131, 35139), (1479, 26871), (1521, 26129), (1537, 25857), (1989, 19981), (2067, 19227), (2703, 14703), (2873, 13833), (3393, 11713), (4437, 8957), (4611, 8619), (4901, 8109), (6201, 6409)]