217465983

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3217}}^1$

素因数の和:3296

約数の個数: 48

約数和(自身を含む): 381526080

約数和(自身を除く): 164060097

約数列:

[1, 3, 7, 9, 21, 29, 37, 63, 87, 111, 203, 259, 261, 333, 609, 777, 1073, 1827, 2331, 3217, 3219, 7511, 9651, 9657, 22519, 22533, 28953, 67557, 67599, 93293, 119029, 202671, 279879, 357087, 653051, 833203, 839637, 1071261, 1959153, 2499609, 3451841, 5877459, 7498827, 10355523, 24162887, 31066569, 72488661, 217465983]

約数ペア:

[(1, 217465983), (3, 72488661), (7, 31066569), (9, 24162887), (21, 10355523), (29, 7498827), (37, 5877459), (63, 3451841), (87, 2499609), (111, 1959153), (203, 1071261), (259, 839637), (261, 833203), (333, 653051), (609, 357087), (777, 279879), (1073, 202671), (1827, 119029), (2331, 93293), (3217, 67599), (3219, 67557), (7511, 28953), (9651, 22533), (9657, 22519)]