42128235

素因数分解:

$3^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{997}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 75209280

約数和(自身を除く): 33081045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 313, 939, 997, 1565, 2817, 2991, 4695, 4985, 8451, 8973, 14085, 14955, 26919, 42255, 44865, 134595, 312061, 936183, 1560305, 2808549, 4680915, 8425647, 14042745, 42128235]

約数ペア:

[(1, 42128235), (3, 14042745), (5, 8425647), (9, 4680915), (15, 2808549), (27, 1560305), (45, 936183), (135, 312061), (313, 134595), (939, 44865), (997, 42255), (1565, 26919), (2817, 14955), (2991, 14085), (4695, 8973), (4985, 8451)]