1421217

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1327}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 2486016

約数和(自身を除く): 1064799

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 1327, 3981, 9289, 11943, 22559, 27867, 67677, 83601, 157913, 203031, 473739, 1421217]

約数ペア:

[(1, 1421217), (3, 473739), (7, 203031), (9, 157913), (17, 83601), (21, 67677), (51, 27867), (63, 22559), (119, 11943), (153, 9289), (357, 3981), (1071, 1327)]