31254687

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 49464000

約数和(自身を除く): 18209313

約数列:

[1, 3, 9, 17, 27, 51, 149, 153, 447, 457, 459, 1341, 1371, 2533, 4023, 4113, 7599, 7769, 12339, 22797, 23307, 68093, 68391, 69921, 204279, 209763, 612837, 1157581, 1838511, 3472743, 10418229, 31254687]

約数ペア:

[(1, 31254687), (3, 10418229), (9, 3472743), (17, 1838511), (27, 1157581), (51, 612837), (149, 209763), (153, 204279), (447, 69921), (457, 68391), (459, 68093), (1341, 23307), (1371, 22797), (2533, 12339), (4023, 7769), (4113, 7599)]