1667241

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{641}}^1$

素因数の和:681

約数の個数: 18

約数和(自身を含む): 2562222

約数和(自身を除く): 894981

約数列:

[1, 3, 9, 17, 51, 153, 289, 641, 867, 1923, 2601, 5769, 10897, 32691, 98073, 185249, 555747, 1667241]

約数ペア:

[(1, 1667241), (3, 555747), (9, 185249), (17, 98073), (51, 32691), (153, 10897), (289, 5769), (641, 2601), (867, 1923)]