2154873

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 3398112

約数和(自身を除く): 1243239

約数列:

[1, 3, 7, 21, 49, 107, 137, 147, 321, 411, 749, 959, 2247, 2877, 5243, 6713, 14659, 15729, 20139, 43977, 102613, 307839, 718291, 2154873]

約数ペア:

[(1, 2154873), (3, 718291), (7, 307839), (21, 102613), (49, 43977), (107, 20139), (137, 15729), (147, 14659), (321, 6713), (411, 5243), (749, 2877), (959, 2247)]