131421121

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{3929}}^1$

素因数の和:4056

約数の個数: 16

約数和(自身を含む): 147893760

約数和(自身を除く): 16472639

約数列:

[1, 13, 31, 83, 403, 1079, 2573, 3929, 33449, 51077, 121799, 326107, 1583387, 4239391, 10109317, 131421121]

約数ペア:

[(1, 131421121), (13, 10109317), (31, 4239391), (83, 1583387), (403, 326107), (1079, 121799), (2573, 51077), (3929, 33449)]