39991315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{6761}}^1$

素因数の和:6799

約数の個数: 24

約数和(自身を含む): 59397408

約数和(自身を除く): 19406093

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 5915, 6761, 33805, 47327, 87893, 236635, 439465, 615251, 1142609, 3076255, 5713045, 7998263, 39991315]

約数ペア:

[(1, 39991315), (5, 7998263), (7, 5713045), (13, 3076255), (35, 1142609), (65, 615251), (91, 439465), (169, 236635), (455, 87893), (845, 47327), (1183, 33805), (5915, 6761)]