261369486531

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1\times {\mathrm{881}}^1$

素因数の和:1617

約数の個数: 64

約数和(自身を含む): 393419980800

約数和(自身を除く): 132050494269

約数列:

[1, 3, 9, 27, 127, 241, 359, 381, 723, 881, 1077, 1143, 2169, 2643, 3231, 3429, 6507, 7929, 9693, 23787, 30607, 45593, 86519, 91821, 111887, 136779, 212321, 259557, 275463, 316279, 335661, 410337, 636963, 778671, 826389, 948837, 1006983, 1231011, 1910889, 2336013, 2846511, 3020949, 5732667, 8539533, 10987913, 26964767, 32963739, 40167433, 76223239, 80894301, 98891217, 120502299, 228669717, 242682903, 296673651, 361506897, 686009151, 728048709, 1084520691, 2058027453, 9680351353, 29041054059, 87123162177, 261369486531]

約数ペア:

[(1, 261369486531), (3, 87123162177), (9, 29041054059), (27, 9680351353), (127, 2058027453), (241, 1084520691), (359, 728048709), (381, 686009151), (723, 361506897), (881, 296673651), (1077, 242682903), (1143, 228669717), (2169, 120502299), (2643, 98891217), (3231, 80894301), (3429, 76223239), (6507, 40167433), (7929, 32963739), (9693, 26964767), (23787, 10987913), (30607, 8539533), (45593, 5732667), (86519, 3020949), (91821, 2846511), (111887, 2336013), (136779, 1910889), (212321, 1231011), (259557, 1006983), (275463, 948837), (316279, 826389), (335661, 778671), (410337, 636963)]