231664131

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1521

約数の個数: 40

約数和(自身を含む): 367888400

約数和(自身を除く): 136224269

約数列:

[1, 3, 9, 19, 27, 57, 81, 109, 171, 327, 513, 981, 1381, 1539, 2071, 2943, 4143, 6213, 8829, 12429, 18639, 26239, 37287, 55917, 78717, 111861, 150529, 167751, 236151, 451587, 708453, 1354761, 2125359, 2860051, 4064283, 8580153, 12192849, 25740459, 77221377, 231664131]

約数ペア:

[(1, 231664131), (3, 77221377), (9, 25740459), (19, 12192849), (27, 8580153), (57, 4064283), (81, 2860051), (109, 2125359), (171, 1354761), (327, 708453), (513, 451587), (981, 236151), (1381, 167751), (1539, 150529), (2071, 111861), (2943, 78717), (4143, 55917), (6213, 37287), (8829, 26239), (12429, 18639)]