3870909

素因数分解:

$3^4\times 7^1\times {\mathrm{6827}}^1$

素因数の和:6846

約数の個数: 20

約数和(自身を含む): 6609504

約数和(自身を除く): 2738595

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 6827, 20481, 47789, 61443, 143367, 184329, 430101, 552987, 1290303, 3870909]

約数ペア:

[(1, 3870909), (3, 1290303), (7, 552987), (9, 430101), (21, 184329), (27, 143367), (63, 61443), (81, 47789), (189, 20481), (567, 6827)]