64705921

素因数分解:

$7^3\times {\mathrm{71}}^1\times {\mathrm{2657}}^1$

素因数の和:2749

約数の個数: 16

約数和(自身を含む): 76550400

約数和(自身を除く): 11844479

約数列:

[1, 7, 49, 71, 343, 497, 2657, 3479, 18599, 24353, 130193, 188647, 911351, 1320529, 9243703, 64705921]

約数ペア:

[(1, 64705921), (7, 9243703), (49, 1320529), (71, 911351), (343, 188647), (497, 130193), (2657, 24353), (3479, 18599)]