201557853

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{45061}}^1$

素因数の和:45145

約数の個数: 24

約数和(自身を含む): 337424256

約数和(自身を除く): 135866403

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 45061, 135183, 315427, 405549, 946281, 2838843, 3199331, 9597993, 22395317, 28793979, 67185951, 201557853]

約数ペア:

[(1, 201557853), (3, 67185951), (7, 28793979), (9, 22395317), (21, 9597993), (63, 3199331), (71, 2838843), (213, 946281), (497, 405549), (639, 315427), (1491, 135183), (4473, 45061)]