1288173873

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{447749}}^1$

素因数の和:447896

約数の個数: 16

約数和(自身を含む): 1977264000

約数和(自身を除く): 689090127

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 447749, 1343247, 3134243, 9402729, 61341613, 184024839, 429391291, 1288173873]

約数ペア:

[(1, 1288173873), (3, 429391291), (7, 184024839), (21, 61341613), (137, 9402729), (411, 3134243), (959, 1343247), (2877, 447749)]