207857997

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{25633}}^1$

素因数の和:25709

約数の個数: 24

約数和(自身を含む): 323911224

約数和(自身を除く): 116053227

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2703, 8109, 25633, 76899, 230697, 435761, 1307283, 1358549, 3921849, 4075647, 12226941, 23095333, 69285999, 207857997]

約数ペア:

[(1, 207857997), (3, 69285999), (9, 23095333), (17, 12226941), (51, 4075647), (53, 3921849), (153, 1358549), (159, 1307283), (477, 435761), (901, 230697), (2703, 76899), (8109, 25633)]