16253391

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 27426816

約数和(自身を除く): 11173425

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 991, 1491, 2343, 2973, 5467, 6937, 10901, 16401, 20811, 32703, 70361, 76307, 211083, 228921, 492527, 773971, 1477581, 2321913, 5417797, 16253391]

約数ペア:

[(1, 16253391), (3, 5417797), (7, 2321913), (11, 1477581), (21, 773971), (33, 492527), (71, 228921), (77, 211083), (213, 76307), (231, 70361), (497, 32703), (781, 20811), (991, 16401), (1491, 10901), (2343, 6937), (2973, 5467)]