13891353

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1783}}^1$

素因数の和:1853

約数の個数: 24

約数和(自身を含む): 21964608

約数和(自身を除く): 8073255

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 1783, 2597, 5349, 7791, 12481, 37443, 87367, 94499, 262101, 283497, 661493, 1984479, 4630451, 13891353]

約数ペア:

[(1, 13891353), (3, 4630451), (7, 1984479), (21, 661493), (49, 283497), (53, 262101), (147, 94499), (159, 87367), (371, 37443), (1113, 12481), (1783, 7791), (2597, 5349)]