28213203

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 41412096

約数和(自身を除く): 13198893

約数列:

[1, 3, 23, 37, 43, 69, 111, 129, 257, 771, 851, 989, 1591, 2553, 2967, 4773, 5911, 9509, 11051, 17733, 28527, 33153, 36593, 109779, 218707, 254173, 408887, 656121, 762519, 1226661, 9404401, 28213203]

約数ペア:

[(1, 28213203), (3, 9404401), (23, 1226661), (37, 762519), (43, 656121), (69, 408887), (111, 254173), (129, 218707), (257, 109779), (771, 36593), (851, 33153), (989, 28527), (1591, 17733), (2553, 11051), (2967, 9509), (4773, 5911)]