313991769

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{21701}}^1$

素因数の和:21777

約数の個数: 32

約数和(自身を含む): 525014784

約数和(自身を除く): 211023015

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 2067, 4823, 14469, 21701, 65103, 151907, 282113, 455721, 846339, 1150153, 1974791, 3450459, 5924373, 8051071, 14951989, 24153213, 44855967, 104663923, 313991769]

約数ペア:

[(1, 313991769), (3, 104663923), (7, 44855967), (13, 24153213), (21, 14951989), (39, 8051071), (53, 5924373), (91, 3450459), (159, 1974791), (273, 1150153), (371, 846339), (689, 455721), (1113, 282113), (2067, 151907), (4823, 65103), (14469, 21701)]