71748891

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20389}}^1$

素因数の和:20435

約数の個数: 24

約数和(自身を含む): 114510240

約数和(自身を除く): 42761349

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 20389, 61167, 183501, 346613, 468947, 1039839, 1406841, 3119517, 4220523, 7972099, 23916297, 71748891]

約数ペア:

[(1, 71748891), (3, 23916297), (9, 7972099), (17, 4220523), (23, 3119517), (51, 1406841), (69, 1039839), (153, 468947), (207, 346613), (391, 183501), (1173, 61167), (3519, 20389)]