221127651

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{73783}}^1$

素因数の和:73832

約数の個数: 20

約数和(自身を含む): 339258832

約数和(自身を除く): 118131181

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 73783, 221349, 664047, 1992141, 2729971, 5976423, 8189913, 24569739, 73709217, 221127651]

約数ペア:

[(1, 221127651), (3, 73709217), (9, 24569739), (27, 8189913), (37, 5976423), (81, 2729971), (111, 1992141), (333, 664047), (999, 221349), (2997, 73783)]