38811357

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 68515200

約数和(自身を除く): 29703843

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 79, 117, 153, 169, 171, 221, 237, 247, 323, 507, 663, 711, 741, 969, 1027, 1343, 1501, 1521, 1989, 2223, 2873, 2907, 3081, 3211, 4029, 4199, 4503, 8619, 9243, 9633, 12087, 12597, 13351, 13509, 17459, 19513, 25517, 25857, 28899, 37791, 40053, 52377, 54587, 58539, 76551, 120159, 157131, 163761, 175617, 226967, 229653, 253669, 331721, 491283, 680901, 761007, 995163, 2042703, 2283021, 2985489, 4312373, 12937119, 38811357]

約数ペア:

[(1, 38811357), (3, 12937119), (9, 4312373), (13, 2985489), (17, 2283021), (19, 2042703), (39, 995163), (51, 761007), (57, 680901), (79, 491283), (117, 331721), (153, 253669), (169, 229653), (171, 226967), (221, 175617), (237, 163761), (247, 157131), (323, 120159), (507, 76551), (663, 58539), (711, 54587), (741, 52377), (969, 40053), (1027, 37791), (1343, 28899), (1501, 25857), (1521, 25517), (1989, 19513), (2223, 17459), (2873, 13509), (2907, 13351), (3081, 12597), (3211, 12087), (4029, 9633), (4199, 9243), (4503, 8619)]