667251

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1923

約数の個数: 16

約数和(自身を含む): 1065120

約数和(自身を除く): 397869

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1901, 5703, 17109, 24713, 51327, 74139, 222417, 667251]

約数ペア:

[(1, 667251), (3, 222417), (9, 74139), (13, 51327), (27, 24713), (39, 17109), (117, 5703), (351, 1901)]