49491

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:72

約数の個数: 20

約数和(自身を含む): 81312

約数和(自身を除く): 31821

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 141, 351, 423, 611, 1053, 1269, 1833, 3807, 5499, 16497, 49491]

約数ペア:

[(1, 49491), (3, 16497), (9, 5499), (13, 3807), (27, 1833), (39, 1269), (47, 1053), (81, 611), (117, 423), (141, 351)]