70659981

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15797}}^1$

素因数の和:15881

約数の個数: 24

約数和(自身を含む): 118295424

約数和(自身を除く): 47635443

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 15797, 47391, 110579, 142173, 331737, 995211, 1121587, 3364761, 7851109, 10094283, 23553327, 70659981]

約数ペア:

[(1, 70659981), (3, 23553327), (7, 10094283), (9, 7851109), (21, 3364761), (63, 1121587), (71, 995211), (213, 331737), (497, 142173), (639, 110579), (1491, 47391), (4473, 15797)]