2005493901

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{618407}}^1$

素因数の和:618480

約数の個数: 16

約数和(自身を含む): 2849624064

約数和(自身を除く): 844130163

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 618407, 1855221, 14223361, 29065129, 42670083, 87195387, 668497967, 2005493901]

約数ペア:

[(1, 2005493901), (3, 668497967), (23, 87195387), (47, 42670083), (69, 29065129), (141, 14223361), (1081, 1855221), (3243, 618407)]