71349831

素因数分解:

$3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:853

約数の個数: 48

約数和(自身を含む): 124488000

約数和(自身を除く): 53138169

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 343, 441, 609, 797, 1029, 1421, 1827, 2391, 3087, 4263, 5579, 7173, 9947, 12789, 16737, 23113, 29841, 39053, 50211, 69339, 89523, 117159, 161791, 208017, 273371, 351477, 485373, 820113, 1132537, 1456119, 2460339, 3397611, 7927759, 10192833, 23783277, 71349831]

約数ペア:

[(1, 71349831), (3, 23783277), (7, 10192833), (9, 7927759), (21, 3397611), (29, 2460339), (49, 1456119), (63, 1132537), (87, 820113), (147, 485373), (203, 351477), (261, 273371), (343, 208017), (441, 161791), (609, 117159), (797, 89523), (1029, 69339), (1421, 50211), (1827, 39053), (2391, 29841), (3087, 23113), (4263, 16737), (5579, 12789), (7173, 9947)]