1998153

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 3032640

約数和(自身を除く): 1034487

約数列:

[1, 3, 9, 53, 59, 71, 159, 177, 213, 477, 531, 639, 3127, 3763, 4189, 9381, 11289, 12567, 28143, 33867, 37701, 222017, 666051, 1998153]

約数ペア:

[(1, 1998153), (3, 666051), (9, 222017), (53, 37701), (59, 33867), (71, 28143), (159, 12567), (177, 11289), (213, 9381), (477, 4189), (531, 3763), (639, 3127)]