406980285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1418

約数の個数: 64

約数和(自身を含む): 731013120

約数和(自身を除く): 324032835

約数列:

[1, 3, 5, 15, 19, 23, 47, 57, 69, 95, 115, 141, 235, 285, 345, 437, 705, 893, 1081, 1311, 1321, 2185, 2679, 3243, 3963, 4465, 5405, 6555, 6605, 13395, 16215, 19815, 20539, 25099, 30383, 61617, 62087, 75297, 91149, 102695, 125495, 151915, 186261, 308085, 310435, 376485, 455745, 577277, 931305, 1179653, 1428001, 1731831, 2886385, 3538959, 4284003, 5898265, 7140005, 8659155, 17694795, 21420015, 27132019, 81396057, 135660095, 406980285]

約数ペア:

[(1, 406980285), (3, 135660095), (5, 81396057), (15, 27132019), (19, 21420015), (23, 17694795), (47, 8659155), (57, 7140005), (69, 5898265), (95, 4284003), (115, 3538959), (141, 2886385), (235, 1731831), (285, 1428001), (345, 1179653), (437, 931305), (705, 577277), (893, 455745), (1081, 376485), (1311, 310435), (1321, 308085), (2185, 186261), (2679, 151915), (3243, 125495), (3963, 102695), (4465, 91149), (5405, 75297), (6555, 62087), (6605, 61617), (13395, 30383), (16215, 25099), (19815, 20539)]