207939837

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^2\times {\mathrm{577}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 319851328

約数和(自身を除く): 111911491

約数列:

[1, 3, 7, 21, 131, 393, 577, 917, 1731, 2751, 4039, 12117, 17161, 51483, 75587, 120127, 226761, 360381, 529109, 1587327, 9901897, 29705691, 69313279, 207939837]

約数ペア:

[(1, 207939837), (3, 69313279), (7, 29705691), (21, 9901897), (131, 1587327), (393, 529109), (577, 360381), (917, 226761), (1731, 120127), (2751, 75587), (4039, 51483), (12117, 17161)]