64931307

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 101647872

約数和(自身を除く): 36716565

約数列:

[1, 3, 7, 21, 53, 159, 227, 257, 371, 681, 771, 1113, 1589, 1799, 4767, 5397, 12031, 13621, 36093, 40863, 58339, 84217, 95347, 175017, 252651, 286041, 408373, 1225119, 3091967, 9275901, 21643769, 64931307]

約数ペア:

[(1, 64931307), (3, 21643769), (7, 9275901), (21, 3091967), (53, 1225119), (159, 408373), (227, 286041), (257, 252651), (371, 175017), (681, 95347), (771, 84217), (1113, 58339), (1589, 40863), (1799, 36093), (4767, 13621), (5397, 12031)]