487877649

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1222751}}^1$

素因数の和:1222780

約数の個数: 16

約数和(自身を含む): 782561280

約数和(自身を除く): 294683631

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1222751, 3668253, 8559257, 23232269, 25677771, 69696807, 162625883, 487877649]

約数ペア:

[(1, 487877649), (3, 162625883), (7, 69696807), (19, 25677771), (21, 23232269), (57, 8559257), (133, 3668253), (399, 1222751)]