1287738

素因数分解:

$2^1\times 3^4\times {\mathrm{7949}}^1$

素因数の和:7963

約数の個数: 20

約数和(自身を含む): 2885850

約数和(自身を除く): 1598112

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 7949, 15898, 23847, 47694, 71541, 143082, 214623, 429246, 643869, 1287738]

約数ペア:

[(1, 1287738), (2, 643869), (3, 429246), (6, 214623), (9, 143082), (18, 71541), (27, 47694), (54, 23847), (81, 15898), (162, 7949)]