397953

素因数分解:

$3^4\times {\mathrm{17}}^3$

素因数の和:63

約数の個数: 20

約数和(自身を含む): 631620

約数和(自身を除く): 233667

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 289, 459, 867, 1377, 2601, 4913, 7803, 14739, 23409, 44217, 132651, 397953]

約数ペア:

[(1, 397953), (3, 132651), (9, 44217), (17, 23409), (27, 14739), (51, 7803), (81, 4913), (153, 2601), (289, 1377), (459, 867)]