51987105

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67957}}^1$

素因数の和:67985

約数の個数: 24

約数和(自身を含む): 95413032

約数和(自身を除く): 43425927

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 67957, 203871, 339785, 611613, 1019355, 1155269, 3058065, 3465807, 5776345, 10397421, 17329035, 51987105]

約数ペア:

[(1, 51987105), (3, 17329035), (5, 10397421), (9, 5776345), (15, 3465807), (17, 3058065), (45, 1155269), (51, 1019355), (85, 611613), (153, 339785), (255, 203871), (765, 67957)]