31285287

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 54082080

約数和(自身を除く): 22796793

約数列:

[1, 3, 9, 11, 17, 29, 33, 51, 87, 99, 153, 187, 261, 319, 493, 561, 641, 957, 1479, 1683, 1923, 2871, 4437, 5423, 5769, 7051, 10897, 16269, 18589, 21153, 32691, 48807, 55767, 63459, 98073, 119867, 167301, 204479, 316013, 359601, 613437, 948039, 1078803, 1840311, 2844117, 3476143, 10428429, 31285287]

約数ペア:

[(1, 31285287), (3, 10428429), (9, 3476143), (11, 2844117), (17, 1840311), (29, 1078803), (33, 948039), (51, 613437), (87, 359601), (99, 316013), (153, 204479), (187, 167301), (261, 119867), (319, 98073), (493, 63459), (561, 55767), (641, 48807), (957, 32691), (1479, 21153), (1683, 18589), (1923, 16269), (2871, 10897), (4437, 7051), (5423, 5769)]