64497279

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{39887}}^1$

素因数の和:39915

約数の個数: 24

約数和(自身を含む): 109133568

約数和(自身を除く): 44636289

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 39887, 119661, 279209, 438757, 837627, 1316271, 1954463, 3071299, 5863389, 9213897, 21499093, 64497279]

約数ペア:

[(1, 64497279), (3, 21499093), (7, 9213897), (11, 5863389), (21, 3071299), (33, 1954463), (49, 1316271), (77, 837627), (147, 438757), (231, 279209), (539, 119661), (1617, 39887)]