16957143

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 30191616

約数和(自身を除く): 13234473

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 71, 119, 153, 213, 223, 357, 497, 639, 669, 1071, 1207, 1491, 1561, 2007, 3621, 3791, 4473, 4683, 8449, 10863, 11373, 14049, 15833, 25347, 26537, 34119, 47499, 76041, 79611, 110831, 142497, 238833, 269161, 332493, 807483, 997479, 1884127, 2422449, 5652381, 16957143]

約数ペア:

[(1, 16957143), (3, 5652381), (7, 2422449), (9, 1884127), (17, 997479), (21, 807483), (51, 332493), (63, 269161), (71, 238833), (119, 142497), (153, 110831), (213, 79611), (223, 76041), (357, 47499), (497, 34119), (639, 26537), (669, 25347), (1071, 15833), (1207, 14049), (1491, 11373), (1561, 10863), (2007, 8449), (3621, 4683), (3791, 4473)]