2018625021

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{641}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 3507022584

約数和(自身を除く): 1488397563

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 193, 259, 333, 441, 579, 641, 777, 1351, 1737, 1813, 1923, 2331, 4053, 4487, 5439, 5769, 7141, 9457, 12159, 13461, 16317, 21423, 23717, 28371, 31409, 40383, 49987, 64269, 71151, 85113, 94227, 123713, 149961, 166019, 213453, 282681, 349909, 371139, 449883, 498057, 865991, 1049727, 1113417, 1162133, 1494171, 2597973, 3149181, 3486399, 4577381, 6061937, 7793919, 10459197, 13732143, 18185811, 32041667, 41196429, 54557433, 96125001, 224291669, 288375003, 672875007, 2018625021]

約数ペア:

[(1, 2018625021), (3, 672875007), (7, 288375003), (9, 224291669), (21, 96125001), (37, 54557433), (49, 41196429), (63, 32041667), (111, 18185811), (147, 13732143), (193, 10459197), (259, 7793919), (333, 6061937), (441, 4577381), (579, 3486399), (641, 3149181), (777, 2597973), (1351, 1494171), (1737, 1162133), (1813, 1113417), (1923, 1049727), (2331, 865991), (4053, 498057), (4487, 449883), (5439, 371139), (5769, 349909), (7141, 282681), (9457, 213453), (12159, 166019), (13461, 149961), (16317, 123713), (21423, 94227), (23717, 85113), (28371, 71151), (31409, 64269), (40383, 49987)]