227664143

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{8783}}^1$

素因数の和:8843

約数の個数: 18

約数和(自身を含む): 276880464

約数和(自身を除く): 49216321

約数列:

[1, 7, 23, 49, 161, 529, 1127, 3703, 8783, 25921, 61481, 202009, 430367, 1414063, 4646207, 9898441, 32523449, 227664143]

約数ペア:

[(1, 227664143), (7, 32523449), (23, 9898441), (49, 4646207), (161, 1414063), (529, 430367), (1127, 202009), (3703, 61481), (8783, 25921)]