81200637

素因数分解:

$3^5\times 7^1\times {\mathrm{47737}}^1$

素因数の和:47759

約数の個数: 24

約数和(自身を含む): 139013056

約数和(自身を除く): 57812419

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 47737, 143211, 334159, 429633, 1002477, 1288899, 3007431, 3866697, 9022293, 11600091, 27066879, 81200637]

約数ペア:

[(1, 81200637), (3, 27066879), (7, 11600091), (9, 9022293), (21, 3866697), (27, 3007431), (63, 1288899), (81, 1002477), (189, 429633), (243, 334159), (567, 143211), (1701, 47737)]