187013905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{21001}}^1$

素因数の和:21156

約数の個数: 16

約数和(自身を含む): 243455184

約数和(自身を除く): 56441279

約数列:

[1, 5, 13, 65, 137, 685, 1781, 8905, 21001, 105005, 273013, 1365065, 2877137, 14385685, 37402781, 187013905]

約数ペア:

[(1, 187013905), (5, 37402781), (13, 14385685), (65, 2877137), (137, 1365065), (685, 273013), (1781, 105005), (8905, 21001)]