205738263

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{401}}^1\times {\mathrm{523}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 301226640

約数和(自身を除く): 95488377

約数列:

[1, 3, 9, 109, 327, 401, 523, 981, 1203, 1569, 3609, 4707, 43709, 57007, 131127, 171021, 209723, 393381, 513063, 629169, 1887507, 22859807, 68579421, 205738263]

約数ペア:

[(1, 205738263), (3, 68579421), (9, 22859807), (109, 1887507), (327, 629169), (401, 513063), (523, 393381), (981, 209723), (1203, 171021), (1569, 131127), (3609, 57007), (4707, 43709)]