216940437

素因数分解:

$3^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1433}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 375822720

約数和(自身を除く): 158882283

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 243, 267, 567, 623, 801, 1433, 1701, 1869, 2403, 4299, 5607, 7209, 10031, 12897, 16821, 21627, 30093, 38691, 50463, 90279, 116073, 127537, 151389, 270837, 348219, 382611, 812511, 892759, 1147833, 2437533, 2678277, 3443499, 8034831, 10330497, 24104493, 30991491, 72313479, 216940437]

約数ペア:

[(1, 216940437), (3, 72313479), (7, 30991491), (9, 24104493), (21, 10330497), (27, 8034831), (63, 3443499), (81, 2678277), (89, 2437533), (189, 1147833), (243, 892759), (267, 812511), (567, 382611), (623, 348219), (801, 270837), (1433, 151389), (1701, 127537), (1869, 116073), (2403, 90279), (4299, 50463), (5607, 38691), (7209, 30093), (10031, 21627), (12897, 16821)]