71959293

素因数分解:

$3^3\times 7^2\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 125400000

約数和(自身を除く): 53440707

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 109, 147, 189, 327, 441, 499, 763, 981, 1323, 1497, 2289, 2943, 3493, 4491, 5341, 6867, 10479, 13473, 16023, 20601, 24451, 31437, 48069, 54391, 73353, 94311, 144207, 163173, 220059, 380737, 489519, 660177, 1142211, 1468557, 2665159, 3426633, 7995477, 10279899, 23986431, 71959293]

約数ペア:

[(1, 71959293), (3, 23986431), (7, 10279899), (9, 7995477), (21, 3426633), (27, 2665159), (49, 1468557), (63, 1142211), (109, 660177), (147, 489519), (189, 380737), (327, 220059), (441, 163173), (499, 144207), (763, 94311), (981, 73353), (1323, 54391), (1497, 48069), (2289, 31437), (2943, 24451), (3493, 20601), (4491, 16023), (5341, 13473), (6867, 10479)]