201812181

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{9689}}^1$

素因数の和:9876

約数の個数: 16

約数和(自身を含む): 276281280

約数和(自身を除く): 74469099

約数列:

[1, 3, 53, 131, 159, 393, 6943, 9689, 20829, 29067, 513517, 1269259, 1540551, 3807777, 67270727, 201812181]

約数ペア:

[(1, 201812181), (3, 67270727), (53, 3807777), (131, 1540551), (159, 1269259), (393, 513517), (6943, 29067), (9689, 20829)]