63947975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28109}}^1$

素因数の和:28139

約数の個数: 24

約数和(自身を含む): 97597920

約数和(自身を除く): 33649945

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 28109, 140545, 196763, 365417, 702725, 983815, 1827085, 2557919, 4919075, 9135425, 12789595, 63947975]

約数ペア:

[(1, 63947975), (5, 12789595), (7, 9135425), (13, 4919075), (25, 2557919), (35, 1827085), (65, 983815), (91, 702725), (175, 365417), (325, 196763), (455, 140545), (2275, 28109)]