42904869

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{367}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 69242880

約数和(自身を除く): 26338011

約数列:

[1, 3, 7, 19, 21, 57, 133, 293, 367, 399, 879, 1101, 2051, 2569, 5567, 6153, 6973, 7707, 16701, 20919, 38969, 48811, 107531, 116907, 146433, 322593, 752717, 2043089, 2258151, 6129267, 14301623, 42904869]

約数ペア:

[(1, 42904869), (3, 14301623), (7, 6129267), (19, 2258151), (21, 2043089), (57, 752717), (133, 322593), (293, 146433), (367, 116907), (399, 107531), (879, 48811), (1101, 38969), (2051, 20919), (2569, 16701), (5567, 7707), (6153, 6973)]