15317421

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1117}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 23397504

約数和(自身を除く): 8080083

約数列:

[1, 3, 7, 21, 653, 1117, 1959, 3351, 4571, 7819, 13713, 23457, 729401, 2188203, 5105807, 15317421]

約数ペア:

[(1, 15317421), (3, 5105807), (7, 2188203), (21, 729401), (653, 23457), (1117, 13713), (1959, 7819), (3351, 4571)]