13887321

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 22165248

約数和(自身を除く): 8277927

約数列:

[1, 3, 7, 21, 37, 61, 111, 183, 259, 293, 427, 777, 879, 1281, 2051, 2257, 6153, 6771, 10841, 15799, 17873, 32523, 47397, 53619, 75887, 125111, 227661, 375333, 661301, 1983903, 4629107, 13887321]

約数ペア:

[(1, 13887321), (3, 4629107), (7, 1983903), (21, 661301), (37, 375333), (61, 227661), (111, 125111), (183, 75887), (259, 53619), (293, 47397), (427, 32523), (777, 17873), (879, 15799), (1281, 10841), (2051, 6771), (2257, 6153)]