205221303

素因数分解:

$3^3\times 7^1\times {\mathrm{1085827}}^1$

素因数の和:1085843

約数の個数: 16

約数和(自身を含む): 347464960

約数和(自身を除く): 142243657

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1085827, 3257481, 7600789, 9772443, 22802367, 29317329, 68407101, 205221303]

約数ペア:

[(1, 205221303), (3, 68407101), (7, 29317329), (9, 22802367), (21, 9772443), (27, 7600789), (63, 3257481), (189, 1085827)]