56724291

素因数分解:

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

素因数の和:153

約数の個数: 72

約数和(自身を含む): 99852480

約数和(自身を除く): 43128189

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 79, 117, 153, 171, 221, 237, 247, 323, 361, 663, 711, 741, 969, 1027, 1083, 1343, 1501, 1989, 2223, 2907, 3081, 3249, 4029, 4199, 4503, 4693, 6137, 9243, 12087, 12597, 13509, 14079, 17459, 18411, 19513, 25517, 28519, 37791, 42237, 52377, 55233, 58539, 76551, 79781, 85557, 157131, 175617, 229653, 239343, 256671, 331721, 370747, 484823, 718029, 995163, 1112241, 1454469, 2985489, 3336723, 4363407, 6302699, 18908097, 56724291]

約数ペア:

[(1, 56724291), (3, 18908097), (9, 6302699), (13, 4363407), (17, 3336723), (19, 2985489), (39, 1454469), (51, 1112241), (57, 995163), (79, 718029), (117, 484823), (153, 370747), (171, 331721), (221, 256671), (237, 239343), (247, 229653), (323, 175617), (361, 157131), (663, 85557), (711, 79781), (741, 76551), (969, 58539), (1027, 55233), (1083, 52377), (1343, 42237), (1501, 37791), (1989, 28519), (2223, 25517), (2907, 19513), (3081, 18411), (3249, 17459), (4029, 14079), (4199, 13509), (4503, 12597), (4693, 12087), (6137, 9243)]